What data are you going by that shows it as being vastly wrong? I wouldn't expect it to be any more vastly wrong then any of the other routes we've seen included in Trainz over the years.I noticed that alot of the screenshots of the Horseshoe route are vastly wrong.
Train Simulator 2012: Railworks 3 can be pre-ordered here -Ordering a Railworks DVD seems unknown, how to do so.
http://www.justtrains.net/product.asp?pid=838
http://www.firstclass-simulations.com/
RailWorks 2 was also avaialble on DVD, I think I purchased mine from JustTrains.net.
http://www.justtrains.net/product.asp?pid=570
As already mentioned whether you buy it on DVD or not you'll still initially have to connect to Steam for the install and updates.
I've got the NEC but the PRR route hasn't even been released yet.Has anyone downloaded the Railworks NEC, and especially the Horseshoe route ?