Difference between revisions of "RealHighway"

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{{infobox project
 
{{infobox project
| logo = [[Image:Rhwlogo.jpg]]
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| logo = [[File:Rhwlogo.png|125px]]
 
| name = RealHighway Mod
 
| name = RealHighway Mod
 
([[RHW]])
 
([[RHW]])
 
| status = Released <br>
 
| status = Released <br>
| version = Version 4.1--08/14/2010
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| version = NAM 36--09/13/2017
 
| link = [[Plugin:RHW|RHW Plugin]]
 
| link = [[Plugin:RHW|RHW Plugin]]
 
| support = [http://www.sc4devotion.com/index.php?topic=990.0 SC4Devotion]
 
| support = [http://www.sc4devotion.com/index.php?topic=990.0 SC4Devotion]
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}}
 
}}
  
The '''RealHighway Mod''' (formerly '''Rural Highway Mod'''), or as it is perhaps better known, the '''RHW''', is a modification produced by the [[NAM Team]], currently headed up by {{member|Tarkus}}.  The RHW is optional component to the [[Network Addon Mod]], released separately, and hence requires the NAM as a dependency.  It enables a completely new network that [[Maxis]] left unfinished (known internally as ''DirtRoad''), formerly part of the NAM [[ANT Plugin]]. Through [[Override Network|Override Technology]], wider variations of this network, often allowing increased capacity, can be created through draggable means, along with '''Modular Interchange System''' ('''MIS''') ramp segments.
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''This article is an overview of the RealHighway (RHW) Mod and its development history.  For documentation on the RHW, see [[Namdoc:Introduction_to_the_RHW|the NAMdoc page on the RHW]].''
  
Over the years, it has expanded from merely being a network intended for primarily rural usage to a largely modular, all-purpose highway.   
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The '''RealHighway Mod''' (formerly '''Rural Highway Mod''')--perhaps better known by its acronym, '''RHW'''--a modification produced by the [[NAM Team]].  The RHW is optional component included in the [[Network Addon Mod]] (NAM) package.  It enables a completely new network that [[Maxis]] left unfinished (known internally as ''DirtRoad''), formerly part of the NAM [[ANT Plugin]]Through [[Override Network|Override Technology]], wider variations of this network, allowing increased capacity, can be created through draggable means, along with '''Modular Interchange System''' ('''MIS''') ramp segments.
  
The most recent iteration, Version 4.1, was released on August 14, [[2010]].
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Over the years, it has expanded from merely being a network intended for primarily rural usage to a largely modular, all-purpose highway.  Through the release of RHW 5.0 and NAM 30 in September 2011, the RHW existed as a separate-download NAM Component Plugin.  Starting with the NAM 31.0 release of March 2013, which marked the return to a "Monolithic NAM", the RHW ceased to exist as a separate download, and became fully integrated as an option in the NAM installer.  The project has remained one of the most active and followed transit modding projects in the community, and is still in development over a decade after its founding, serving as the research-and-development hub within the NAM ecosystem.
  
==Project History==
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== Project History ==
 
[[Image:Rhwleft8dg.jpg|thumb|right|RHW Version 1.2 installer.]]
 
[[Image:Rhwleft8dg.jpg|thumb|right|RHW Version 1.2 installer.]]
The RHW project was started as the '''Rural Highway Mod''' by {{member|qurlix}} and {{member|nooneatall}} in August 2005, with an initial "public alpha" release, Version 1.2, coming in November that same year.  qurlix had also planned a couple of other releases at various points, Version 1.5 and Version 1.7, but neither was ever finished.
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The RHW project was started as the '''Rural Highway Mod''' by {{member|qurlix}} and {{member|nooneatall}} in August 2005, based upon initial work by {{member|Teirusu}}, with an initial "public alpha" release, Version 1.2 (also variously called 0.12 and v12--the decimal point has continually moved around during the history of the project), coming in November that same year.  qurlix had also planned a couple of other updates at various points, Version 1.5 (v15) and Version 1.7 (v17), neither of which was released.
  
{{member|Tarkus}} became involved in the project in October 2006, and took over the project in March 2007 after qurlix's departure from the community, releasing a small update, Version 1.3 in April, largely to address compatibility issues between the December 2006 NAM release and RHW Version 1.2, something which the unreleased Version 1.7 was originally intended to fix.  With the release of Version 1.3b in June 2007, the RHW became an official NAM Team project.   
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{{member|Tarkus}} became involved in the project in October 2006, and took over the project in March 2007 after qurlix's departure.  He released a small update, Version 1.3 (v13) in April 2007, largely to address compatibility issues between NAM Version 20 (December 2006) and RHW Version 1.2, something which the unreleased Version 1.7 was originally intended to fix.  With the release of Version 1.3b in June 2007, the RHW became an official NAM Team project.   
  
For the Version 2.0 release, the RULs for the mod were completely re-written to change the RHW from a "side-by-side" override to a Starter Piece setup, coinciding with the incorporation of the Modular Interchange System, which allowed for true RHW interchanges for the first time.  During Version 2.0 development, Tarkus expanded the project development team to include texture artists {{member|rickmastfan67}} and {{member|Shadow Assassin}} (who had provided some graphical work for Version 1.3a and 1.3b), and Big Dig modeler {{member|blahdy}}, but all three of them left during 2008.  However, Shadow Assassin returned in July 2009.
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For the Version 2.0 (v20) release, which debuted on January 1, 2008, the RULs for the mod were completely re-written, to change the RHW from a "side-by-side" override to a Starter Piece setup, similar to the then-new Draggable [[GLR]] system and [[Street Addon Mod]].  This coincided with the incorporation of the Modular Interchange System, which allowed for true RHW interchanges for the first time.  During development on Version 2.0, Tarkus expanded the project development team to include {{member|Shadow Assassin}} (who had provided some graphical work for Version 1.3a and 1.3b) and, for a brief time, texture artist {{member|rickmastfan67}} and [[Big Dig]] modeler {{member|blahdy}}.
  
A new version, Version 3.0, was released on January 14th, 2009. The new release features the long-awaited RHWs, up to the RHW-10 (five lanes per direction), Elevated RHW-4 and MIS Ramps with models by {{member|Swamper77}}, {{member|smoncrie}}'s RHW-2 and RHW-4 bridges, and over 60 puzzle pieces and numerous draggable additions, including the sought-after MIS-to-OWR transition.  It also featured a radically re-designed texture set from Tarkus and {{member|ardecila}}.  Version 3.2 fixed some path files in Version 3.0, coupled with some RUL Fixes included in the March 2009 NAM.
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A new version, Version 3.0, was released on January 14th, 2009, coinciding with the NAM 24 release. The new release features the long-awaited RHWs, up to the RHW-10S (five lanes per direction, separable), Elevated RHW-4 and MIS Ramps with models by {{member|Swamper77}}, {{member|smoncrie}}'s RHW-2 and RHW-4 bridges, and over 60 puzzle pieces and numerous draggable additions, including the sought-after MIS-to-OWR transition.  It also featured a radically re-designed texture set from Tarkus and {{member|ardecila}}.  Version 3.2 in March 2009 fixed some path files in Version 3.0, coupled with some RUL fixes included in the NAM 25 release.
  
The next version, Version 4.0, was released in May 2010.  Several new developers have joined Tarkus and Shadow Assassin in 2009, including {{member|Blue Lightning}}, {{member|choco}}, {{member|jmvl}} and {{member|deathtopumpkins}}. {{member|mrtnrln}}, {{member|toja}} and {{member|mtg}} came aboard in 2010.  The default texture set was revamped again by Tarkus for Version 4.0, and will blend the "traditional" RHW look with the scaling improvements introduced in the Version 3.0 texture set.
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The next version, Version 4.0, was released in May 2010, as part of the NAM 28 cycle.  Several new developers joined Tarkus and Shadow Assassin for this release, including {{member|Blue Lightning}}, {{member|choco}}, {{member|jmvl}}, {{member|deathtopumpkins}}, {{member|mrtnrln}}, {{member|toja}} and {{member|mtg}}.  The default texture set was revamped again by Tarkus for Version 4.0, and blends the "traditional" RHW look with the scaling improvements introduced in the Version 3.0 texture set.  The flagship features of Version 4.0 were Blue Lightning's FLEXFly (Flexible Flyover) system, a 90-degree Elevated MIS Ramp curve in helper piece form, allowing for networks to be dragged under it to create a flyover setup, along with the introduction of Fractional Angle networking by by Shadow Assassin.
  
Plans after Version 4.0 involve going to a smaller-scale release format, tentatively dubbed the "4.x Series", with the version number rolling over to 5.0 once certain developmental criteria have been metAs of the last update of this article, the first, Version 4.1, has been released, incorporating improvements to the FLEXFly system, a new ground-to-elevated MIS Ramp transition, and bugfixes, among other things.  Tentative plans for rest of the 4.x series have been revealed as well.  The early releases will largely focus on expanding the repertoire of ramp interfaces, transitions and overpasses.  The later ones will involve implementation of more "WAVERide" helper piece systems along the lines of FLEXFly, elevated Wider RHWs and the initial groundwork on multi-height ERHW systems, the latter of which is expected to be the "flagship" of Version 5.0.  {{member|swamp_ig}} joined the development group in June 2010 as a modder and modeler.   
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After Version 4.0, the project was planned to move to a smaller-scale release format, dubbed the "4.x Series".  However, the series only got as far as Version 4.1, in August 2010 (with NAM 29), which incorporated improvements to the FLEXFly system, a new ground-to-elevated MIS Ramp transition, and bugfixes, among other things.  {{member|swamp_ig}} joined the development group in June 2010 as a modder and modeler, along with {{member|riiga}} later in the yearIn October 2010, {{member|jondor}} released a mod to allow RHW systems to appear on the Regional Transport View, a feat long deemed impossible, and shortly after joined the RHW project as a developer.
  
==Basic Network Characteristics==
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The release that was originally supposed to be Version 4.2, the second 4.x series release, was later renamed Version 5.0, because of the substantial amount of content added over its yearlong development cycle, including another revamp of the default textures, a Flexible Single-Point Urban Interchange system (FlexSPUI), greatly improved functionality for wider RHWs, the introduction of the Double-Decker RHW (DDRHW) and numerous new cosmetic pieces and ramp interfaces.  Version 5.0 was released in September [[2011]], alongside NAM 30.
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While the initial plans after Version 5.0 included going to a 5.x-series of releases, a couple of major decisions by the NAM Team changed those plans.  The first was the switch away from the so-called "Modular NAM" and "Component Plugin" paradigm to a "Monolithic NAM".  As a result, the RealHighway ceased to exist as a separate entity and became a part of the NAM Core itself, beginning with NAM Version 31.  In addition, the NAM Team determined that the existing RUL/IID structure of the RHW was hampering development efforts, and as such, a massive reorganization of the "under the hood" aspects of the mod was undertaken, an effort nicknamed '''Project 57''' (or "P57", because of its shifting of RealHighway content into the 0x57###### Instance ID range), to make the mod more internally consistent.  Additionally, this entailed a complete re-write of the RUL2 backend, with the goal of ultra-stabilizing the networks, and prepared the mod for the initial phases of the Multi-Height System, a 5-level approach designed to allow complex modular stack interchanges with the RealHighway. 
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Due to the scale and complexity of this undertaking, Project 57 development has occurred in phases, or "marks".  Project 57 Marks 2 and 3 coincided with the followup NAM releases in the 31.x-series, Versions 31.1 and 31.2, both released in 2013, which incrementally improved and streamlined the initial version.  The Version 31.0 release was originally planned to see a complete revamp of FLEXFly, moving it from a 4x4 footprint to a smoother 5x5 layout, and the addition of flyovers at all 5 levels and 2-lane setups.  However, due to time constraints and lack of personnel, this expansion was put on hold for a future NAM release, and the existing 4x4 setup was retained as a stopgap "legacy" feature, with no plans to further develop or improve it. 
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The new FLEXFly specs, including the addition of 45-degree setups, with revised models by {{member|eggman121}} and code by {{member|memo}}, were incorporated in NAM 33, though limited to L0-L2, due to diagonal instability with the L3 and L4 networks.  Other additions to NAM 33 include the Expanded Draggable Ramp Interfaces (EDRI)/FLEXRamp project, spearheaded by {{member|GDO29Anagram}}, in concert with a major expansion to the repertoire of ramps for all elevated RHWs except the L1 and L2 RHW-3, enabled by modeling work from {{member|MandelSoft}} and {{member|Tarkus}}.  The Multi-Radius Curves (MRC) were also added to the NAM 33 release by {{member|eggman121}}.  A minor expansion to the Volleyball Interchange pieces by {{member|jdenm8}} was also released. 
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Following NAM 33, RHW development began a further shift away from traditional puzzle pieces, toward more overrideable [[FLEX Pieces]] and draggable items, with the goal of reducing the number of pieces required to build systems, while simultaneously increasing functionality.  To date, most of the ramp interfaces and height transitions have received FLEX versions, along with the Multi-Radius Curves (which were FLEX from the beginning), with plans to convert the width transitions, neighbor connectors, and Fractional Angle content.  This approach has carried throughout the rest of the NAM as well.
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== Basic Network Characteristics ==
 
[[Image:Rhwa7small7sh.jpg|thumb|250px|right|The RealHighway network as it appeared in version 1.2.]]
 
[[Image:Rhwa7small7sh.jpg|thumb|250px|right|The RealHighway network as it appeared in version 1.2.]]
The RHW network is a [[Transit Network#Highway Networks|Highway-type Network]], which means it does not allow access to [[RCI Zones]].  Due to the "unfinished" state Maxis left it in, it does not have Tunnel capability (One-Way Roads, Avenues or Maxis Highways must be used for workarounds), nor can it show up on the Regional Transportation View.  Both of these functionality gaps are the result of hardcoding, and thus, cannot be fixed.  RHWs can also be bulldozed using the Dezone tool, much like Streets.  It is also a 1-tile network, the only such Highway-type network, which makes it particularly conducive to producing [[Override Networks]].   
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The RHW network is a [[Transit Network#Highway Networks|Highway-type Network]], which means it generally does not allow access to [[RCI Zones]].  Due to the "unfinished" state Maxis left it in, it does not have Tunnel capability (One-Way Roads, Avenues or Maxis Highways must be used for workarounds).  This appears to be an .exe-controlled function and is unlikely to be fixed.  With jondor's mod, it can appear on the Regional Transportation View.  RHWs can also be bulldozed using the Dezone tool, much like Streets, and are also subject to "auto-connect".  It is also a 1-tile network, the only such Highway-type network, which makes it particularly conducive to producing [[Override Networks]].   
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The [[FLUPs]] ('''Flexible Underpass''') system was expanded to include RHW components as part of Version 4.0 by {{member|Chrisim}} and {{member|toja}}.  These items are located at the end of the Road/RHW button's TAB ring, located on the Roads menu.  Further RHW FLUP portal designs were showcased by {{member|Dexter}} sometime in 2011, but have yet to be completed, due to model integration matters, and plans for a new implementation method for future FLUPs items.
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In the current NAM release, bridges are possible for all RHW networks, except the RHW-6C and 8C, due to those networks' triple-tile width, and the game's limitation on side-by-side bridges.
  
The [[FLUPs]] ('''Flexible Underpass''') system was expanded to include RHW components as part of Version 4.0 by {{member|Chrisim}} and {{member|toja}}.
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== RHW-2 ==
  
In the current Version 4.0 release, bridges are possible for the RHW-2 and RHW-4 networks, and Wider RHW and MIS bridges are currently under development by {{member|choco}}.
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The base network the RHW Network Tool produces is known as the '''RHW-2''' (RHW, 2-lane).  It is a 1-tile, 2-lane, 2-way network, much like the [[Transit Network#Road-Type Networks|Road]] network, but with a higher capacity and speed.  The precise increase in capacity and speed is dependent on the [[Understanding The Traffic Simulator|Traffic Plugin]] one has installed, but it is generally about 250% of that of a road.
  
==RHW-2==
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The first Elevated RHW-2 functionality was added in Version 5.0.  Presently, the Elevated RHW-2 exists in two height levels: L1 and L2, and is capable of many orthogonal and diagonal overpasses.
  
The base network the RHW Network Tool produces is known as the '''RHW-2''' (RHW, 2-lane).  It is a 1-tile, 2-lane, 2-way network, much like the [[Transit Network#Road-Type Networks|Road]] network, but with a higher capacity and speedThe increase in capacity and speed is dependent on the [[Understanding The Traffic Simulator|Traffic Plugin]] one has installed, but it is generally about twice that of a road(The "A", "B" or "Z" simulators are recommended for RHW users.)
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== RHW-3 ==
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The '''RHW-3''' is essentially the RHW version of the 3-lane Asymmetrical Road (ARD-3) in the [[Network Widening Mod]].  It was implemented in Version 5.0.  It has diagonal and basic orthogonal-only intersection functionality, plus ramp interface piecesCurrently, the Elevated RHW-3 exists in two height levels: L1 and L2, capable of some orthogonal and diagonal overpasses.  The RHW-3, at all its height levels, is the least-developed network in the mod at present.
  
==RHW-4==
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== RHW-4 ==
 
[[Image:Mmmshinyhn0.jpg|right|thumb|250px|The Euro-RHW mod as it first appeared in version 1.3b.]]
 
[[Image:Mmmshinyhn0.jpg|right|thumb|250px|The Euro-RHW mod as it first appeared in version 1.3b.]]
 
[[Image:Tau Ceti-Mar. 14, 021212374749.png|thumb|left|250px|A large RHW interchange, made with Version 2.0, [[People:Shadow Assassin|Shadow Assassin]]'s Euro Textures and one-way-road overpasses and tunnels.]]
 
[[Image:Tau Ceti-Mar. 14, 021212374749.png|thumb|left|250px|A large RHW interchange, made with Version 2.0, [[People:Shadow Assassin|Shadow Assassin]]'s Euro Textures and one-way-road overpasses and tunnels.]]
The '''RHW-4''' is an Override Network of the base RHW-2 network, utilizing a [[Starter Piece|Puzzle-Drag Override]] to transform the RHW-2, into a 1-tile, 2-lane, 1-way network.  It is known as the RHW-4 because the full width of both directions is 4 lanes over 2 tiles, but because it is based on a 1-tile network, the two halves of a full RHW-4 do not need to be adjacent, and can be split, to allow ''Variable Width Medians'', unlike [[Transit Network#Highway Networks|Maxis Highways]] (without the cumbersome Multi-Highway technique).  It has twice the capacity of an RHW-2.
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The '''RHW-4''' was the first network added to the RHW mod.  While it was initially produced through a "side-by-side" override technique, since RHW 2.0, it has existed as an Override Network of the base RHW-2 network, utilizing a [[Starter Piece|Puzzle-Drag Override]] to transform the RHW-2, into a 1-tile, 2-lane, 1-way network.  It is known as the RHW-4 because the full width of both directions is 4 lanes over 2 tiles, but because it is based on a 1-tile network, the two halves of a full RHW-4 do not need to be adjacent, and can be split, to allow ''Variable Width Medians'', unlike [[Transit Network#Highway Networks|Maxis Highways]] (without the cumbersome Multi-Highway technique).  It has twice the capacity of an RHW-2.
  
Also unlike the Maxis Highways, the RHW-4 can have at-grade intersections with other networks, in addition to allowing for grade-separated interchanges using the '''Modular Interchange System''' ('''MIS''') interface ramps.  In Version 2.0, orthogonal at-grade intersections with Road, Street, Rail, and RHW-2 are available, and GLR at-grade crossings are made possible by a puzzle piece.  Drawing a street on the inside of an RHW-4 causes it to turn into an Emergency Turnaround Lane.
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Also unlike the Maxis Highways, the RHW-4 can have at-grade intersections with other networks, in addition to allowing for grade-separated interchanges using the '''Modular Interchange System''' ('''MIS''') interface ramps.  At-grade intersections, including diagonals, are possible with the Road, Street, Rail, GLR and RHW-2, along with Elevated Light Rail and Monorail overpasses.  Drawing an orthogonal street on the inside of an RHW-4 causes it to turn into an Emergency Turnaround Lane.
  
In Version 3.0, the Elevated RHW-4 (ERHW-4) was added.
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In Version 3.0, the elevated RHW-4 was added at 15m (L2) height, and Version 5.0 marked the introduction of the single-tile Double-Decker RHW-4 (DDRHW-4), with two decks at 7.5m (L1) and 15m (L2) height, respectively. The RHW-4 has the widest variety of possible height configurations, reaching up to L4 (30m).
  
==RHW-6S==
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== RHW-6S ==
  
The '''RHW-6S''' is just like the RHW-4, except that it takes up an additional two tiles in width, and has an extra lane per direction, fitting 6 lanes on 4 tiles.  The capacity of the RHW-6S, due to how the paths are situated, is exactly the same as the RHW-4, and its primary purpose is as "functional eyecandy" to allow for realistic acceleration/deceleration lanes at interchanges. In this regard, it is not a "true" wider network. Its only interaction with other networks is through grade-separated interchanges (with the MIS), and with Overpasses.
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The '''RHW-6S''', introduced in RHW Version 2.0, is just like the RHW-4, except that it has an extra lane per direction, and overhangs slightly beyond its physical 2-tile footprint.  The capacity of the RHW-6S, with the NAM Unified Traffic Simulator, is higher than that of the RHW-4 beginning with the Version 4.1 release. Its only interaction with other networks is through grade-separated interchanges (with the MIS), and with Overpasses.
  
Diagonal functionality, in the form of puzzle pieces, was added to the RHW-6S in Version 3.0.  Draggable functionality is planned for later inclusion.
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Draggable diagonal functionality for the RHW-6S was implemented in Version 5.0.  An Elevated RHW-6S at 15m height was also added in Version 5.0, with one ramp interface (a Type D1) and no diagonal/curve functionalityPresently, the Elevated RHW-6S exists in four height levels: L1, L2, L3, and L4, and is capable of many orthogonal and diagonal overpasses.
  
==RHW-6C==
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== RHW-6C ==
  
The '''RHW-6C''' is a 6-lane, 3-tile network, new to the RHW in Version 3.0.  Due to how it occupies its space, it is a "true" wider network, having a capacity 3 times that of the RHW-2, and 1.5 times that of the RHW-4. Using the NAM "A" and "B" simulators, it also has a capacity 1.5 times greater than the Maxis Highways. 
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The '''RHW-6C''' is a 6-lane, 3-tile network, added in RHW Version 3.0.  Due to how it occupies its space, it is a "true" wider network, in that it adds capacity beyond the RHW-4 (and indeed, beyond the RHW-6S).
  
Unlike the RHW-4 and RHW-6S, it will not be possible to separate to allow for Variable Width Medians with the RHW-6C.  It is capable of being built both orthogonally and diagonally through draggable means.
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Draggable diagonal functionality for the RHW-6C was partially implemented in RHW Version 4.0, and stabilized for Version 5.0.  An Elevated RHW-6C at 15m height (without diagonal functionality, curves or ramp interfaces) was also added in Version 5.0.  The NAM 31.0 release saw the expansion of the RHW-6C to L1 and L2 height, with some diagonal functionality.
  
==RHW-8==
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== RHW-8S ==
The '''RHW-8''' is a "true" wider network, also new to RHW Version 3.0.  In its full form, it will be an 8-lane, 4-tile network, with 4 times the capacity of an RHW-2, 2 times the capacity of the RHW-4, and 1.33 times the capacity of an RHW-6C.   
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The '''RHW-8S''' is a "true" wider network, added in RHW Version 3.0.  In its full form, it is an 8-lane, 4-tile network, with 4 times the capacity of an RHW-2, 2 times the capacity of the RHW-4, and 1.33 times the capacity of an RHW-6C.   
  
Like the RHW-6S, the RHW-8 can go diagonal with puzzle pieces, though limited draggable diagonal functionality was added in Version 4.0.
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Draggable diagonal functionality for the RHW-8S was partially implemented in Version 4.0, and stabilized for Version 5.0.  Elevated RHW-8S functionality was introduced as part of the Project 57 efforts in NAM 31.0, released in 2013.
  
At one point, there was also an '''RHW-8C''' planned, which would have been situated on 3 tiles, like the RHW-6C.  A prototype of this network was shown in August 2007 in the RHW thread at SC4D.
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== RHW-8C ==
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A 3-tile-wide RHW-8C also exists, having been added in Version 4.0.  It has the same capacity as the RHW-6C and primarily exists simply for the purpose of adding auxiliary lanes to the RHW-6C.
  
The RHW-8C concept was revived by Blue Lightning in 2009 and will be incorporated into a future release.
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Draggable diagonal functionality for the RHW-8C was implemented in Version 5.0, and L1 and L2 RHW-8C networks were added in NAM 31.0.
  
==RHW-10==
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== RHW-10S ==
[[Image:RHW-10.png|right|thumb|250px|Interchange along a RHW-10, the largest RHW network.]]
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[[Image:RHW-10.png|right|thumb|250px|Interchange along a RHW-10, currently the largest RHW network.]]
 
[[Image:RHW 3.0 Trumpet.jpg|thumb|left|250px|Trumpet interchange made with RHW 3.0.]]
 
[[Image:RHW 3.0 Trumpet.jpg|thumb|left|250px|Trumpet interchange made with RHW 3.0.]]
The '''RHW-10''' is the widest RHW network, consisting of 10 lanes over 4 tiles.  It has the same capacity as an RHW-8, and thus, is more or less functional eyecandy.
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The '''RHW-10S''' is currently the widest RHW network, consisting of 10 lanes over 4 tiles.  It has the same capacity as an RHW-8S, and thus, is more or less functional eyecandy.
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Draggable diagonal functionality for the RHW-10S was implemented in Version 5.0, and L1 and L2 RHW-10S networks were added in NAM 31.0.
  
It is orthogonal-only in Version 4.1.
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== MIS Ramps ==
  
==MIS Ramps==
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The Modular Interchange System (MIS) Ramps are the backbone of the RHW's interchange capabilities, allowing for draggable custom setups.  The MIS is a 1-tile, 1-lane, 1-way network, allowing for connections to surface streets, and to other RHWs.
  
The Modular Interchange System (MIS) Ramps are the backbone of the RHW's interchange capabilities, allowing for draggable custom setups.  The MIS is a 1-tile, 1-lane, 1-way network, allowing for connections to surface streets.
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In Version 3.0, Elevated MIS (EMIS) was added.  At present, there are five levels of MIS: ground (L0), L1, L2, L3, and L4.
  
In Version 3.0, Elevated MIS (EMIS) was added.
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Blue Lightning created an Elevated MIS Wide Radius Curve capable of over passing other RHW networks called FLEXFly. It was introduced in the Version 4.0 release, and expanded in Versions 4.1 and 5.0.  There were further plans to revamp FLEXFly for the initial Project 57 offerings in NAM 31.0, implementing a new 5x5 footprint for the 90-degree curve, as opposed to the existing 4x4 layout, and additions of FLEXFly pieces for all height levels in the Multi-Height System, but due to the lengthy development process of that release, and lack of personnel led to this project being put on indefinite hold until NAM 33, which finally debuted the new specs.  The old FLEXFly and FLEXCurve pieces from NAM 32 and earlier became inactive "legacy" items, and are not planned to be improved or developed further.
  
Blue Lightning created an EMIS-1 (15M) Wide Radius Curve capable of over passing other RHW networks called FLEXFly. It was introduced in the Version 4.0 release, and expanded in Version 4.1.
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The RHW-4 is sometimes used as a wider MIS ramp, and has occasionally been referred to as "MIS-2" in these situations.
  
==Future Networks==
+
== Future Networks ==
  
 
These networks have been proposed, and some have even had prototypes made, but they are planned for a future release.
 
These networks have been proposed, and some have even had prototypes made, but they are planned for a future release.
  
===RHW-3===
+
=== Ultra-Wide RHWs ===
The '''RHW-3''' is an Override network, built on the same principles as the RHW-6, but allowing two-way traffic, much like a 2+1 Road in Europe, or climbing lanes on mountainous highwaysIt is the RHW equivalent of the ARD-3 from the [[NWM]] project.
+
There have been proposals to eventually create "ultra-wide" RHW networks, extending out to either 16 or 18 lanes spread across two carriageways.  Though the Project 57 specifications allot Instance ID ranges for several such networks, including an RHW-10C, RHW-12S, RHW-12C, RHW-14S, RHW-14C and RHW-16S, the Ultra-Wide RHWs have been shelved for the foreseeable futureThis is due to the RUL size concerns arising after NAM 31.0, functional differentiation issues, and general complexity issues pertaining to the cross-linking of override networks.
 +
 
 +
=== Elevated and Double-Decker RHWs ===
 +
There are a total of five height levels for RHW networks, forming the Multi-Height System:
 +
 
 +
*L0 (Ground Level--0 meters high)
 +
*L1 (7.5 meters elevated)
 +
*L2 (15 meters elevated, same as pre-NAM 31 Elevated RHW content)
 +
*L3 (22.5 meters elevated, same as top deck of Double-Decker RHW-4)
 +
*L4 (30 meters elevated, same as existing "High Elevated" content)
  
===Ultra-Wide RHWs===
+
On June 5, 2011, Tarkus revealed the addition of the Double-Decker RHW-4 (DDRHW-4) with a YouTube video, which was included in the Version 5.0 release, 3 months later.  Its two decks are at 7.5 meters (L1) and 15 meters (L2). The network was set up Rail-based to obtain a higher capacity, but later testing led to the discovery that non-roadway networks are restricted to the capacity of the Road network when carrying car, bus and freight truck traffic.  To compensate, the DDRHW-4 was converted to an RHW-based network, with Distilled Intersection Paths to boost the capacity slightly.  The DDRHW-4 decks had been at 15 meters (L2) and 22.5m (L3), respectively, prior to NAM 33.  A DDRHW-8 is also planned for future inclusion, also at the L1/L2 height.  No further DDRHW width or height variants beyond the DDRHW-4 and DDRHW-8 are planned.
  
As of this writing, there are no current plans to take the RHW network wider than the RHW-10Any network, if it were to be created, would probably have to be limited to orthogonal-only usage, due to the size of the network (at least 5 tiles), and the complexity of diagonal RULs.
+
== Other Functionality ==
 +
The '''FLEXFly''' system, initially developed by {{member|Blue Lightning}}, allows for the construction of single-lane and dual-lane flyover ramps at 90-degree and 45-degree angles, over various RealHighway networks{{member|jondor}} has developed a ground-level FLEXFly known as '''FLEXCurve''', which was included in NAM 31.0's RHW Plugin.  NAM 33 introduced a new specification for FLEXFly, along with a substantial increase in the amount of available functionality of this feature. For more details, see [[RealHighway#MIS_Ramps]]
  
===Elevated and Double-Decker RHWs===
+
The Version 4.0 release introduced two new pieces to allow for the construction of ground-level Single-Point Urban Interchanges (SPUIs) and the Diverging Diamond Interchanges (DDIs).  As demonstrated in a YouTube video by Tarkus, the SPUI has been converted to a "flex" system for Version 5.0, allowing much greater functionality and ease of useThe previous SPUI puzzle piece from Version 4.0/4.1 has been disabled and moved to a legacy support file.  FlexSPUI is in somewhat of a transitional state right now, due to the fact that it has only been partially synchronized with the Project 57 updates that were introduced in NAM 31.0.  This is still the case as of late [[2015]], following the release of NAM 34.
Elevated RHW-4 and MIS were added in Version 3.0, and Elevated versions of the other networks are planned for a future release3 additional heights for the Elevated RHW networks (7.5m, 22.5m and 30m) have been proposed to allow additional functionality, and a prototype for a Double-Decker RHW-4 has also been shown in the public development threads.
 
  
==Other Functionality==
+
Draggable Ramp Interface (DRI) functionality was also introduced in Version 4.0, and was expanded in Version 5.0 to encompass all networks except the MIS and the RHW-3The DRI functionality later evolved into the FLEXRamp system, an overrideable and more slope-tolerant system, which is planned to eventually cut down on the number of requisite ramp interface pieces. Presently, as of NAM 33, most existing non-Fractional Angle ramp interface setups have been given a FLEXRamp and/or DRI treatment.
The Version 4.0 release introduced two new pieces to allow for the construction of ground-level Single-Point Urban Interchanges (SPUIs) and the Diverging Diamond Interchanges (DDIs)This functionality will be added to over the course of the 4.x series of releases and beyond.
 
  
==Multi-RHW Technique==
+
{{member|Tarkus}} unveiled the QuickChange system on his YouTube channel in October 2013, which was designed to appeal to users who have requested pre-fabricated plop interchanges for the RHW, without compromising the modular design philosophy of the RHW system.  QuickChanges are larger pieces of interchanges, built entirely using FLEX components, and designed in such a way that they can be used with any RHW network that supports FLEXRamps, and allow as many setups as possible with a single piece.  To date, 4 QuickChange pieces have made it into the NAM, including ground and elevated Diamond Interchange and Parclo Interchange quadrant ramps.  The FLEX-based design re-uses smaller, existing items that were part of the modular system, including height transitions and FLEXRamps, and avoids the AutoTileBase issue that restricted interchange size, allowing for larger pre-built sections to be readily implemented.
 +
 
 +
== Multi-RHW Technique ==
 
[[Image:Terran Settlement-Aug. 24, 321217534862.png|thumb|right|250px|A look at Version 2.0 with the Modular Interchange System (MIS) in a Multi-RHW configuration.]]
 
[[Image:Terran Settlement-Aug. 24, 321217534862.png|thumb|right|250px|A look at Version 2.0 with the Modular Interchange System (MIS) in a Multi-RHW configuration.]]
 
Wider RHWs can also be made using the '''Multi-RHW''' technique first developed by {{member|Haljackey}}, which essentially involves putting two one-way RHWs (usually RHW-4 or RHW-6S) in the same direction, side by side.  Although this creates 8 lanes (or possibly more) in each direction, the networks are still separate RHW-4s, and must be linked together to work properly.  A Multi-RHW is a great way to make a collector/express system in SC4 that many real life highways use.
 
Wider RHWs can also be made using the '''Multi-RHW''' technique first developed by {{member|Haljackey}}, which essentially involves putting two one-way RHWs (usually RHW-4 or RHW-6S) in the same direction, side by side.  Although this creates 8 lanes (or possibly more) in each direction, the networks are still separate RHW-4s, and must be linked together to work properly.  A Multi-RHW is a great way to make a collector/express system in SC4 that many real life highways use.
Line 114: Line 142:
 
[[Image:RHW 4.0 Windmill Hybrid.png|thumb|right|250px|A large RHW interchange made with version 4.0 without tunnels.]]
 
[[Image:RHW 4.0 Windmill Hybrid.png|thumb|right|250px|A large RHW interchange made with version 4.0 without tunnels.]]
  
==Additional Modifications==
+
== Additional Modifications ==
[[People:Shadow Assassin|Shadow Assassin]] has released a popular [[Plugin:RHW Euro Textures|Euro Texture Set]] for RHW Version 2.0, but it is not fully-compatible with the new Version 3.0 release, though it has been confirmed that he is working on an update[[People:mrtnrln|mrtnrln]] has released a series of prop additions as part of his RHW Addon Mod, and has also released an RHW Euro texture set based on Tarkus' default North American set from Version 3.0.  {{member|Xyloxadoria}} has also released a number of popular T21 mods for the RHW on the STEX, which add lights and barriers to some of the networks.  {{member|Blue Lightning}} has also made a number of addons as well, including the popular Elevated RHW-4 Cosmetic Mod, which is currently incompatible with the Version 4.0 release.
+
The first set of Euro textures was released by {{member|Shadow Assassin}} [[Plugin:RHW Euro Textures|Euro Texture Set]] for RHW Version 1.3b, with a later update for Version 2.0.  {{member|MandelSoft}} subsequently released a series of prop additions as part of his RHW Addon Mod, and has also released an RHW Euro texture set based on Tarkus' default North American set from Version 3.0, which was updated to an "interim" release coinciding with Version 4.0.
  
==History of Releases==
+
Since NAM 31.0, MandelSoft expanded his texturing efforts to cover a wide array of road marking styles from the world, including Euro textures, and the NAM installer now includes these texture sets as options.  With MandelSoft's shift of focus to games other than SC4, and the differences in texture specs, MandelSoft's RHW sets, including the Euro, Irish/South African, and Ontario textures, were phased out in the official release of NAM 33 in November 2015.  A new standard Euro set, based on the default North American set specifications introduced in RHW 5.0, has been added in their place.
  
 +
 +
 +
== History of Releases ==
 +
 +
;As separate-download NAM Plugin
 
*Version 1.2 (November 16, 2005)
 
*Version 1.2 (November 16, 2005)
 
*Version 1.3 (April 14, 2007)
 
*Version 1.3 (April 14, 2007)
Line 128: Line 161:
 
*Version 4.0 (May 9, 2010)
 
*Version 4.0 (May 9, 2010)
 
*Version 4.1 (August 14, 2010)
 
*Version 4.1 (August 14, 2010)
*Version 4.2 (''in development'')
+
*Version 5.0 (September 15, 2011)
  
==RHW Development Team & Contributors==
+
;Included in the NAM
 +
*''NAM 31.0 (March 2, 2013)''
 +
*''NAM 31.1 (April 16, 2013)''
 +
*''NAM 31.2 (June 4, 2013)''
 +
*''NAM 32 (January 14, 2014)''
 +
*''NAM 32.1 (July 28, 2014)'' (Mac-only release, otherwise identical to NAM 32)
 +
*''NAM 33 (November 26, 2015)''
 +
*''NAM 34 (December 25, 2015)''
 +
*''NAM 35 (November 5, 2016)''
 +
*''NAM 36 (September 13, 2017)''
 +
 
 +
== RHW Development Team & Contributors ==
 
[[Image:RHW 4.0 Cloverstack Hybrid.png|thumb|lright|250px|A large RHW interchange made with version 4.0 with a tunnel.]]
 
[[Image:RHW 4.0 Cloverstack Hybrid.png|thumb|lright|250px|A large RHW interchange made with version 4.0 with a tunnel.]]
===Current (Version 4.1)===
+
=== Current===
*{{member|Andreas}} (Packaging/Readme: 2007-2010, Version 1.3-4.1)
+
*{{member|eggman121}} (Development/Modeling)
*{{member|Blue Lightning}} (Development/Models: 2009-2010, Version 4.0-4.1)
+
*{{member|jdenm8}} (Development/Textures/LHD Support)
*{{member|burgsabre87}} (Props/Textures: 2005-2010, Version 1.2-4.1)
+
*{{member|memo}} (Development)
*{{member|choco}} (Bridges: 2009-2010, Version 4.0)
+
*{{member|Tarkus}} (Lead Development/Textures)
*{{member|Chrisim}} (FLUPs Integration: 2010, Version 4.0)
 
*{{member|deathtopumpkins}} (Development/Textures: 2009-2010, Version 4.0-4.1)
 
*{{member|dedgren}} (Textures: 2009, Version 3.0-4.0)
 
*{{member|ebina}} (LHD Pathing: 2008-2010, Version 3.0-4.1)
 
*{{member|jmvl}} (Development: 2009, Version 4.0)
 
*{{member|mrtnrln}} (Development: 2010, Version 4.1)
 
*{{member|mtg}} (Development: 2010, Version 4.0-4.1)
 
*{{member|Shadow Assassin}} (Development/Textures: 2007-2010, Version 1.3a-4.1)
 
*{{member|Swamper77}} (Development/Models: 2007-2009, Version 2.0-4.0)
 
*{{member|swamp_ig}} (Development: 2010, Version 4.1)
 
*{{member|Tarkus}} (Lead Development/Textures: 2006-2010, Version 1.3-4.1)
 
*{{member|toja}} (Models: 2010, Version 4.0)
 
*{{member|warrior}} (Technical Assistance, 2007-2010, Version 2.0-4.0)
 
  
===Testing===
+
=== Testing ===
 
[[NAM Team|NAM Associates]]
 
[[NAM Team|NAM Associates]]
  
===Former Development Team Members & Contributors===
+
=== Former/Inactive Development Team Members & Contributors ===
*{{member|Alidonkey}}(Development/Textures: 2007-2008, Version 2.0)
+
*{{member|Andreas}} (Packaging/Readme: 2007-2011)
*{{member|ardecila}} (Development/Textures: 2008-2009, Version 3.0)
+
*{{member|Alidonkey}}(Development/Textures: 2007-2008)
 +
*{{member|ardecila}} (Development/Textures: 2008-2009)
 
*{{member|blahdy}} (Models: 2007-2008)
 
*{{member|blahdy}} (Models: 2007-2008)
*{{member|Filasimo}} (Packaging: 2007, Version 2.0)
+
*{{member|Blue Lightning}} (Development/Models: 2009-2012)
*{{member|jplumbley}} (Technical Assistance, 2007-2009, Version 2.0-3.0)
+
*{{member|choco}} (Bridges: 2009-2010)
 +
*{{member|Chrisim}} (FLUPs Integration: 2010)
 +
*{{member|deathtopumpkins}} (Development/Textures, Testing: 2009-2012)
 +
*{{member|dedgren}} (Textures: 2009, Version 3.0-4.0)
 +
*{{member|ebina}} (LHD Pathing: 2008-2010, Version 3.0-4.1)
 +
*{{member|Filasimo}} (Packaging/Readme: 2007, Version 2.0)
 +
*{{member|GDO29Anagram}} (Development/Textures/Theory: 2011-2015)
 +
*{{member|jmvl}} (Development: 2009)
 +
*{{member|jondor}} (Development: 2010-2012)
 +
*{{member|jplumbley}} (Technical Assistance, 2007-2009)
 +
*{{member|MandelSoft}} (Development/Textures/Modeling: 2009-2015)
 
*{{member|mjig_dudy}} (Textures: 2007)
 
*{{member|mjig_dudy}} (Textures: 2007)
*{{member|nooneatall}} (Textures: 2005, Version 1.2)
+
*{{member|mtg}} (Development: 2010)
*{{member|qurlix}} (Development: 2005-2007, Version 1.2)
+
*{{member|nooneatall}} (Textures/Project Co-Founder: 2005)
*{{member|rickmastfan67}} (Textures: 2007-2008, Version 2.0)
+
*{{member|qurlix}} (Development/Project Co-Founder: 2005-2007)
*{{member|smoncrie}} (Development: 2008-2009, Version 3.0-4.0)
+
*{{member|rickmastfan67}} (Textures: 2007-2008)
*{{member|videosean}} (Textures: 2008, Version 3.0)
+
*{{member|riiga}} (Development)
*{{member|Zeddic}} (Textures/Packaging: 2005, Version 1.2)
+
*{{member|Ryan B.}} (Props/Textures)
 +
*{{member|Shadow Assassin}} (Development/Textures: 2007-2014)
 +
*{{member|smoncrie}} (Development: 2008-2009)
 +
*{{member|swamp_ig}} (Development: 2010-2011)
 +
*{{member|Swamper77}} (Development/Models: 2007-2009)
 +
*{{member|Teirusu}} (Original Concept: 2005)
 +
*{{member|toja}} (Models: 2010-2012)
 +
*{{member|videosean}} (Textures: 2008)
 +
*{{member|warrior}} (Technical Assistance, 2007-2012)
 +
*{{member|Zeddic}} (Textures/Packaging: 2005)
  
===Original ANT Plugin Reintegration===
+
=== Original ANT Plugin Reintegration ===
 
*{{member|the7trumpets}}
 
*{{member|the7trumpets}}
 
*{{member|Tropod}}
 
*{{member|Tropod}}
  
[http://www.sc4devotion.com/forums/index.php?topic=990.0 Current Development Thread at SC4D]
+
== Notes ==
 
+
;See also
''See also''
+
*[[Plugin:RHW]]
 
+
*[http://www.sc4devotion.com/forums/index.php?topic=990.0 Current Development Thread at SC4D]
[[Plugin:RHW]]
 
 
 
 
{{NAM}}
 
{{NAM}}
 
+
[[category:NAM/project]]
 
{{Languages|ja}}
 
{{Languages|ja}}
 
 
[[category:NAM/project]]
 

Revision as of 05:32, 26 August 2019

RealHighway Mod

(RHW)

Rhwlogo.png
Link
RHW Plugin
General Information
Credits Complete list
Status Released
(NAM 36--09/13/2017)
Project Threads SC4Devotion
Language English

This article is an overview of the RealHighway (RHW) Mod and its development history. For documentation on the RHW, see the NAMdoc page on the RHW.

The RealHighway Mod (formerly Rural Highway Mod)--perhaps better known by its acronym, RHW--a modification produced by the NAM Team. The RHW is optional component included in the Network Addon Mod (NAM) package. It enables a completely new network that Maxis left unfinished (known internally as DirtRoad), formerly part of the NAM ANT Plugin. Through Override Technology, wider variations of this network, allowing increased capacity, can be created through draggable means, along with Modular Interchange System (MIS) ramp segments.

Over the years, it has expanded from merely being a network intended for primarily rural usage to a largely modular, all-purpose highway. Through the release of RHW 5.0 and NAM 30 in September 2011, the RHW existed as a separate-download NAM Component Plugin. Starting with the NAM 31.0 release of March 2013, which marked the return to a "Monolithic NAM", the RHW ceased to exist as a separate download, and became fully integrated as an option in the NAM installer. The project has remained one of the most active and followed transit modding projects in the community, and is still in development over a decade after its founding, serving as the research-and-development hub within the NAM ecosystem.

Project History

RHW Version 1.2 installer.

The RHW project was started as the Rural Highway Mod by qurlix and nooneatall in August 2005, based upon initial work by Teirusu, with an initial "public alpha" release, Version 1.2 (also variously called 0.12 and v12--the decimal point has continually moved around during the history of the project), coming in November that same year. qurlix had also planned a couple of other updates at various points, Version 1.5 (v15) and Version 1.7 (v17), neither of which was released.

Tarkus became involved in the project in October 2006, and took over the project in March 2007 after qurlix's departure. He released a small update, Version 1.3 (v13) in April 2007, largely to address compatibility issues between NAM Version 20 (December 2006) and RHW Version 1.2, something which the unreleased Version 1.7 was originally intended to fix. With the release of Version 1.3b in June 2007, the RHW became an official NAM Team project.

For the Version 2.0 (v20) release, which debuted on January 1, 2008, the RULs for the mod were completely re-written, to change the RHW from a "side-by-side" override to a Starter Piece setup, similar to the then-new Draggable GLR system and Street Addon Mod. This coincided with the incorporation of the Modular Interchange System, which allowed for true RHW interchanges for the first time. During development on Version 2.0, Tarkus expanded the project development team to include Shadow Assassin (who had provided some graphical work for Version 1.3a and 1.3b) and, for a brief time, texture artist rickmastfan67 and Big Dig modeler blahdy.

A new version, Version 3.0, was released on January 14th, 2009, coinciding with the NAM 24 release. The new release features the long-awaited RHWs, up to the RHW-10S (five lanes per direction, separable), Elevated RHW-4 and MIS Ramps with models by Swamper77, smoncrie's RHW-2 and RHW-4 bridges, and over 60 puzzle pieces and numerous draggable additions, including the sought-after MIS-to-OWR transition. It also featured a radically re-designed texture set from Tarkus and ardecila. Version 3.2 in March 2009 fixed some path files in Version 3.0, coupled with some RUL fixes included in the NAM 25 release.

The next version, Version 4.0, was released in May 2010, as part of the NAM 28 cycle. Several new developers joined Tarkus and Shadow Assassin for this release, including Blue Lightning, choco, jmvl, deathtopumpkins, mrtnrln, toja and mtg. The default texture set was revamped again by Tarkus for Version 4.0, and blends the "traditional" RHW look with the scaling improvements introduced in the Version 3.0 texture set. The flagship features of Version 4.0 were Blue Lightning's FLEXFly (Flexible Flyover) system, a 90-degree Elevated MIS Ramp curve in helper piece form, allowing for networks to be dragged under it to create a flyover setup, along with the introduction of Fractional Angle networking by by Shadow Assassin.

After Version 4.0, the project was planned to move to a smaller-scale release format, dubbed the "4.x Series". However, the series only got as far as Version 4.1, in August 2010 (with NAM 29), which incorporated improvements to the FLEXFly system, a new ground-to-elevated MIS Ramp transition, and bugfixes, among other things. swamp_ig joined the development group in June 2010 as a modder and modeler, along with riiga later in the year. In October 2010, jondor released a mod to allow RHW systems to appear on the Regional Transport View, a feat long deemed impossible, and shortly after joined the RHW project as a developer.

The release that was originally supposed to be Version 4.2, the second 4.x series release, was later renamed Version 5.0, because of the substantial amount of content added over its yearlong development cycle, including another revamp of the default textures, a Flexible Single-Point Urban Interchange system (FlexSPUI), greatly improved functionality for wider RHWs, the introduction of the Double-Decker RHW (DDRHW) and numerous new cosmetic pieces and ramp interfaces. Version 5.0 was released in September 2011, alongside NAM 30.

While the initial plans after Version 5.0 included going to a 5.x-series of releases, a couple of major decisions by the NAM Team changed those plans. The first was the switch away from the so-called "Modular NAM" and "Component Plugin" paradigm to a "Monolithic NAM". As a result, the RealHighway ceased to exist as a separate entity and became a part of the NAM Core itself, beginning with NAM Version 31. In addition, the NAM Team determined that the existing RUL/IID structure of the RHW was hampering development efforts, and as such, a massive reorganization of the "under the hood" aspects of the mod was undertaken, an effort nicknamed Project 57 (or "P57", because of its shifting of RealHighway content into the 0x57###### Instance ID range), to make the mod more internally consistent. Additionally, this entailed a complete re-write of the RUL2 backend, with the goal of ultra-stabilizing the networks, and prepared the mod for the initial phases of the Multi-Height System, a 5-level approach designed to allow complex modular stack interchanges with the RealHighway.

Due to the scale and complexity of this undertaking, Project 57 development has occurred in phases, or "marks". Project 57 Marks 2 and 3 coincided with the followup NAM releases in the 31.x-series, Versions 31.1 and 31.2, both released in 2013, which incrementally improved and streamlined the initial version. The Version 31.0 release was originally planned to see a complete revamp of FLEXFly, moving it from a 4x4 footprint to a smoother 5x5 layout, and the addition of flyovers at all 5 levels and 2-lane setups. However, due to time constraints and lack of personnel, this expansion was put on hold for a future NAM release, and the existing 4x4 setup was retained as a stopgap "legacy" feature, with no plans to further develop or improve it.

The new FLEXFly specs, including the addition of 45-degree setups, with revised models by eggman121 and code by memo, were incorporated in NAM 33, though limited to L0-L2, due to diagonal instability with the L3 and L4 networks. Other additions to NAM 33 include the Expanded Draggable Ramp Interfaces (EDRI)/FLEXRamp project, spearheaded by GDO29Anagram, in concert with a major expansion to the repertoire of ramps for all elevated RHWs except the L1 and L2 RHW-3, enabled by modeling work from MandelSoft and Tarkus. The Multi-Radius Curves (MRC) were also added to the NAM 33 release by eggman121. A minor expansion to the Volleyball Interchange pieces by jdenm8 was also released.

Following NAM 33, RHW development began a further shift away from traditional puzzle pieces, toward more overrideable FLEX Pieces and draggable items, with the goal of reducing the number of pieces required to build systems, while simultaneously increasing functionality. To date, most of the ramp interfaces and height transitions have received FLEX versions, along with the Multi-Radius Curves (which were FLEX from the beginning), with plans to convert the width transitions, neighbor connectors, and Fractional Angle content. This approach has carried throughout the rest of the NAM as well.

Basic Network Characteristics

The RealHighway network as it appeared in version 1.2.

The RHW network is a Highway-type Network, which means it generally does not allow access to RCI Zones. Due to the "unfinished" state Maxis left it in, it does not have Tunnel capability (One-Way Roads, Avenues or Maxis Highways must be used for workarounds). This appears to be an .exe-controlled function and is unlikely to be fixed. With jondor's mod, it can appear on the Regional Transportation View. RHWs can also be bulldozed using the Dezone tool, much like Streets, and are also subject to "auto-connect". It is also a 1-tile network, the only such Highway-type network, which makes it particularly conducive to producing Override Networks.

The FLUPs (Flexible Underpass) system was expanded to include RHW components as part of Version 4.0 by Chrisim and toja. These items are located at the end of the Road/RHW button's TAB ring, located on the Roads menu. Further RHW FLUP portal designs were showcased by Dexter sometime in 2011, but have yet to be completed, due to model integration matters, and plans for a new implementation method for future FLUPs items.

In the current NAM release, bridges are possible for all RHW networks, except the RHW-6C and 8C, due to those networks' triple-tile width, and the game's limitation on side-by-side bridges.

RHW-2

The base network the RHW Network Tool produces is known as the RHW-2 (RHW, 2-lane). It is a 1-tile, 2-lane, 2-way network, much like the Road network, but with a higher capacity and speed. The precise increase in capacity and speed is dependent on the Traffic Plugin one has installed, but it is generally about 250% of that of a road.

The first Elevated RHW-2 functionality was added in Version 5.0. Presently, the Elevated RHW-2 exists in two height levels: L1 and L2, and is capable of many orthogonal and diagonal overpasses.

RHW-3

The RHW-3 is essentially the RHW version of the 3-lane Asymmetrical Road (ARD-3) in the Network Widening Mod. It was implemented in Version 5.0. It has diagonal and basic orthogonal-only intersection functionality, plus ramp interface pieces. Currently, the Elevated RHW-3 exists in two height levels: L1 and L2, capable of some orthogonal and diagonal overpasses. The RHW-3, at all its height levels, is the least-developed network in the mod at present.

RHW-4

The Euro-RHW mod as it first appeared in version 1.3b.
A large RHW interchange, made with Version 2.0, Shadow Assassin's Euro Textures and one-way-road overpasses and tunnels.

The RHW-4 was the first network added to the RHW mod. While it was initially produced through a "side-by-side" override technique, since RHW 2.0, it has existed as an Override Network of the base RHW-2 network, utilizing a Puzzle-Drag Override to transform the RHW-2, into a 1-tile, 2-lane, 1-way network. It is known as the RHW-4 because the full width of both directions is 4 lanes over 2 tiles, but because it is based on a 1-tile network, the two halves of a full RHW-4 do not need to be adjacent, and can be split, to allow Variable Width Medians, unlike Maxis Highways (without the cumbersome Multi-Highway technique). It has twice the capacity of an RHW-2.

Also unlike the Maxis Highways, the RHW-4 can have at-grade intersections with other networks, in addition to allowing for grade-separated interchanges using the Modular Interchange System (MIS) interface ramps. At-grade intersections, including diagonals, are possible with the Road, Street, Rail, GLR and RHW-2, along with Elevated Light Rail and Monorail overpasses. Drawing an orthogonal street on the inside of an RHW-4 causes it to turn into an Emergency Turnaround Lane.

In Version 3.0, the elevated RHW-4 was added at 15m (L2) height, and Version 5.0 marked the introduction of the single-tile Double-Decker RHW-4 (DDRHW-4), with two decks at 7.5m (L1) and 15m (L2) height, respectively. The RHW-4 has the widest variety of possible height configurations, reaching up to L4 (30m).

RHW-6S

The RHW-6S, introduced in RHW Version 2.0, is just like the RHW-4, except that it has an extra lane per direction, and overhangs slightly beyond its physical 2-tile footprint. The capacity of the RHW-6S, with the NAM Unified Traffic Simulator, is higher than that of the RHW-4 beginning with the Version 4.1 release. Its only interaction with other networks is through grade-separated interchanges (with the MIS), and with Overpasses.

Draggable diagonal functionality for the RHW-6S was implemented in Version 5.0. An Elevated RHW-6S at 15m height was also added in Version 5.0, with one ramp interface (a Type D1) and no diagonal/curve functionality. Presently, the Elevated RHW-6S exists in four height levels: L1, L2, L3, and L4, and is capable of many orthogonal and diagonal overpasses.

RHW-6C

The RHW-6C is a 6-lane, 3-tile network, added in RHW Version 3.0. Due to how it occupies its space, it is a "true" wider network, in that it adds capacity beyond the RHW-4 (and indeed, beyond the RHW-6S).

Draggable diagonal functionality for the RHW-6C was partially implemented in RHW Version 4.0, and stabilized for Version 5.0. An Elevated RHW-6C at 15m height (without diagonal functionality, curves or ramp interfaces) was also added in Version 5.0. The NAM 31.0 release saw the expansion of the RHW-6C to L1 and L2 height, with some diagonal functionality.

RHW-8S

The RHW-8S is a "true" wider network, added in RHW Version 3.0. In its full form, it is an 8-lane, 4-tile network, with 4 times the capacity of an RHW-2, 2 times the capacity of the RHW-4, and 1.33 times the capacity of an RHW-6C.

Draggable diagonal functionality for the RHW-8S was partially implemented in Version 4.0, and stabilized for Version 5.0. Elevated RHW-8S functionality was introduced as part of the Project 57 efforts in NAM 31.0, released in 2013.

RHW-8C

A 3-tile-wide RHW-8C also exists, having been added in Version 4.0. It has the same capacity as the RHW-6C and primarily exists simply for the purpose of adding auxiliary lanes to the RHW-6C.

Draggable diagonal functionality for the RHW-8C was implemented in Version 5.0, and L1 and L2 RHW-8C networks were added in NAM 31.0.

RHW-10S

Interchange along a RHW-10, currently the largest RHW network.
Trumpet interchange made with RHW 3.0.

The RHW-10S is currently the widest RHW network, consisting of 10 lanes over 4 tiles. It has the same capacity as an RHW-8S, and thus, is more or less functional eyecandy.

Draggable diagonal functionality for the RHW-10S was implemented in Version 5.0, and L1 and L2 RHW-10S networks were added in NAM 31.0.

MIS Ramps

The Modular Interchange System (MIS) Ramps are the backbone of the RHW's interchange capabilities, allowing for draggable custom setups. The MIS is a 1-tile, 1-lane, 1-way network, allowing for connections to surface streets, and to other RHWs.

In Version 3.0, Elevated MIS (EMIS) was added. At present, there are five levels of MIS: ground (L0), L1, L2, L3, and L4.

Blue Lightning created an Elevated MIS Wide Radius Curve capable of over passing other RHW networks called FLEXFly. It was introduced in the Version 4.0 release, and expanded in Versions 4.1 and 5.0. There were further plans to revamp FLEXFly for the initial Project 57 offerings in NAM 31.0, implementing a new 5x5 footprint for the 90-degree curve, as opposed to the existing 4x4 layout, and additions of FLEXFly pieces for all height levels in the Multi-Height System, but due to the lengthy development process of that release, and lack of personnel led to this project being put on indefinite hold until NAM 33, which finally debuted the new specs. The old FLEXFly and FLEXCurve pieces from NAM 32 and earlier became inactive "legacy" items, and are not planned to be improved or developed further.

The RHW-4 is sometimes used as a wider MIS ramp, and has occasionally been referred to as "MIS-2" in these situations.

Future Networks

These networks have been proposed, and some have even had prototypes made, but they are planned for a future release.

Ultra-Wide RHWs

There have been proposals to eventually create "ultra-wide" RHW networks, extending out to either 16 or 18 lanes spread across two carriageways. Though the Project 57 specifications allot Instance ID ranges for several such networks, including an RHW-10C, RHW-12S, RHW-12C, RHW-14S, RHW-14C and RHW-16S, the Ultra-Wide RHWs have been shelved for the foreseeable future. This is due to the RUL size concerns arising after NAM 31.0, functional differentiation issues, and general complexity issues pertaining to the cross-linking of override networks.

Elevated and Double-Decker RHWs

There are a total of five height levels for RHW networks, forming the Multi-Height System:

  • L0 (Ground Level--0 meters high)
  • L1 (7.5 meters elevated)
  • L2 (15 meters elevated, same as pre-NAM 31 Elevated RHW content)
  • L3 (22.5 meters elevated, same as top deck of Double-Decker RHW-4)
  • L4 (30 meters elevated, same as existing "High Elevated" content)

On June 5, 2011, Tarkus revealed the addition of the Double-Decker RHW-4 (DDRHW-4) with a YouTube video, which was included in the Version 5.0 release, 3 months later. Its two decks are at 7.5 meters (L1) and 15 meters (L2). The network was set up Rail-based to obtain a higher capacity, but later testing led to the discovery that non-roadway networks are restricted to the capacity of the Road network when carrying car, bus and freight truck traffic. To compensate, the DDRHW-4 was converted to an RHW-based network, with Distilled Intersection Paths to boost the capacity slightly. The DDRHW-4 decks had been at 15 meters (L2) and 22.5m (L3), respectively, prior to NAM 33. A DDRHW-8 is also planned for future inclusion, also at the L1/L2 height. No further DDRHW width or height variants beyond the DDRHW-4 and DDRHW-8 are planned.

Other Functionality

The FLEXFly system, initially developed by Blue Lightning, allows for the construction of single-lane and dual-lane flyover ramps at 90-degree and 45-degree angles, over various RealHighway networks. jondor has developed a ground-level FLEXFly known as FLEXCurve, which was included in NAM 31.0's RHW Plugin. NAM 33 introduced a new specification for FLEXFly, along with a substantial increase in the amount of available functionality of this feature. For more details, see RealHighway#MIS_Ramps

The Version 4.0 release introduced two new pieces to allow for the construction of ground-level Single-Point Urban Interchanges (SPUIs) and the Diverging Diamond Interchanges (DDIs). As demonstrated in a YouTube video by Tarkus, the SPUI has been converted to a "flex" system for Version 5.0, allowing much greater functionality and ease of use. The previous SPUI puzzle piece from Version 4.0/4.1 has been disabled and moved to a legacy support file. FlexSPUI is in somewhat of a transitional state right now, due to the fact that it has only been partially synchronized with the Project 57 updates that were introduced in NAM 31.0. This is still the case as of late 2015, following the release of NAM 34.

Draggable Ramp Interface (DRI) functionality was also introduced in Version 4.0, and was expanded in Version 5.0 to encompass all networks except the MIS and the RHW-3. The DRI functionality later evolved into the FLEXRamp system, an overrideable and more slope-tolerant system, which is planned to eventually cut down on the number of requisite ramp interface pieces. Presently, as of NAM 33, most existing non-Fractional Angle ramp interface setups have been given a FLEXRamp and/or DRI treatment.

Tarkus unveiled the QuickChange system on his YouTube channel in October 2013, which was designed to appeal to users who have requested pre-fabricated plop interchanges for the RHW, without compromising the modular design philosophy of the RHW system. QuickChanges are larger pieces of interchanges, built entirely using FLEX components, and designed in such a way that they can be used with any RHW network that supports FLEXRamps, and allow as many setups as possible with a single piece. To date, 4 QuickChange pieces have made it into the NAM, including ground and elevated Diamond Interchange and Parclo Interchange quadrant ramps. The FLEX-based design re-uses smaller, existing items that were part of the modular system, including height transitions and FLEXRamps, and avoids the AutoTileBase issue that restricted interchange size, allowing for larger pre-built sections to be readily implemented.

Multi-RHW Technique

A look at Version 2.0 with the Modular Interchange System (MIS) in a Multi-RHW configuration.

Wider RHWs can also be made using the Multi-RHW technique first developed by Haljackey, which essentially involves putting two one-way RHWs (usually RHW-4 or RHW-6S) in the same direction, side by side. Although this creates 8 lanes (or possibly more) in each direction, the networks are still separate RHW-4s, and must be linked together to work properly. A Multi-RHW is a great way to make a collector/express system in SC4 that many real life highways use.

Prior the Version 2.0 release, the Multi-RHW was possible, but very difficult to make due to the fact that the RHW-4 was built using a Side-by-Side Override. This would often result in some parts of the Multi-RHW going in opposite directions and was a pain to correct. With the switch to the starter piece system included with Version 2.0, Multi-RHWs can now be dragged without any worry of changing direction, making them much easier to construct.

For more information about the Multi-RHW, see Multi highway.

A large RHW interchange made with version 4.0 without tunnels.

Additional Modifications

The first set of Euro textures was released by Shadow Assassin Euro Texture Set for RHW Version 1.3b, with a later update for Version 2.0. MandelSoft subsequently released a series of prop additions as part of his RHW Addon Mod, and has also released an RHW Euro texture set based on Tarkus' default North American set from Version 3.0, which was updated to an "interim" release coinciding with Version 4.0.

Since NAM 31.0, MandelSoft expanded his texturing efforts to cover a wide array of road marking styles from the world, including Euro textures, and the NAM installer now includes these texture sets as options. With MandelSoft's shift of focus to games other than SC4, and the differences in texture specs, MandelSoft's RHW sets, including the Euro, Irish/South African, and Ontario textures, were phased out in the official release of NAM 33 in November 2015. A new standard Euro set, based on the default North American set specifications introduced in RHW 5.0, has been added in their place.


History of Releases

As separate-download NAM Plugin
  • Version 1.2 (November 16, 2005)
  • Version 1.3 (April 14, 2007)
  • Version 1.3a (April 28, 2007)
  • Version 1.3b (June 1, 2007)
  • Version 2.0 (January 1, 2008)
  • Version 3.0 (January 14, 2009)
  • Version 3.2 (March 7, 2009)
  • Version 4.0 (May 9, 2010)
  • Version 4.1 (August 14, 2010)
  • Version 5.0 (September 15, 2011)
Included in the NAM
  • NAM 31.0 (March 2, 2013)
  • NAM 31.1 (April 16, 2013)
  • NAM 31.2 (June 4, 2013)
  • NAM 32 (January 14, 2014)
  • NAM 32.1 (July 28, 2014) (Mac-only release, otherwise identical to NAM 32)
  • NAM 33 (November 26, 2015)
  • NAM 34 (December 25, 2015)
  • NAM 35 (November 5, 2016)
  • NAM 36 (September 13, 2017)

RHW Development Team & Contributors

A large RHW interchange made with version 4.0 with a tunnel.

Current

  • eggman121 (Development/Modeling)
  • jdenm8 (Development/Textures/LHD Support)
  • memo (Development)
  • Tarkus (Lead Development/Textures)

Testing

NAM Associates

Former/Inactive Development Team Members & Contributors

Original ANT Plugin Reintegration

Notes

See also
Languages Languages:

[[::RealHighway|English]] • Japanese (日本語)