SimCity 4 Network Addon Mod (NAM) by the NAM Team

Thank you for downloading the Network Addon Mod (NAM) for SimCity 4 Deluxe (or SimCity 4 with Rush Hour Expansion). The NAM is a comprehensive transportation mod, adding the equivalent of multiple expansion packs worth of new transportation content to the game. In addition to fixes to the game's traffic simulation and base network features, it adds countless new features to the existing network tools, such as new overpasses, highway onramps, intersections, wider roadways, pedestrian malls, draggable ground light rail, roundabouts, and turning lanes, among many other features.

Please note that this documentation is still in a state of transition, and some links may refer to older but still largely relevant pieces of documentation.

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 Table of Contents

General Matters

Feature Guides


Users download, install, and run this mod completely and solely at their own risk. Electronic Arts (EA), the creators, and its individual contributors, are not responsible for any errors, crashes, problems, or any other issue that you may have if you have downloaded and applied this mod file to your game. Players should also expect that any future patches and/or expansion packs and SimCityscape may not function properly with the game if you have downloaded this mod and applied it to your game. The use of this document, the information within, and the Network Addon Mod is conditional upon the acceptance of this disclaimer and all that is within this document.

 A Big Thank You

Thanks goes first and foremost to the SC4 fansite admins, for creating and slaving over their sites in order to make them a vibrant SimCity 4 community. Without them, none of this would be possible. A very special thank you goes to the entire Simtropolis Modd Squad and all the members of Simtropolis who have contributed to this Network Addon Mod in its current form.

Simtropolis has given the NAM Team (and its predecessor, the Modd Squad) a valuable and necessary tool to create the contents of this Network Addon Mod. Without Simtropolis, this mod simply would not exist.

SimCity 4 is still going strong more than 14 years after the initial release, and new websites sprung up later, most notable SC4Devotion and the German SimCityPlaza, which have been supporting the NAM team from the very beginning. While all the mods and website maintenance is done voluntarily, web hosting is not free. If you enjoy and value this mod, either in part or whole, please consider making a donation to one of those sites to help offset the costs of running the site.