MS Train Stop
From real to virtual trains
http://www.mstrainstop.com/
ChrisTrains
Christrains. quality add-on trains for microsoft train simulator. all new geometry, no reskins.
http://www.christrains.com/entrypoint.html
MSTS WORLD OF INDIAN RAILWAYS
MSTS WORLD OF INDIAN RAILWAYS
http://www.indianrailwaysimulator.com/
Rail Serve
Free microsoft train simulator downloads including routes, activities, locomotives, rolling stock, and other train sim add-ons for msts.
http://www.railserve.com/computers/msts/
Train-Simulator.sebastianfrey
Train-Simulator.sebastianfrey
http://train-simulator.sebastianfrey.de/
Train Magazine
Train Magazine
http://www.train-magazine.com/
UK Trainsim
Central resource for the uk train simulation community, contains a massive file library, latest news and reviews, forums and live chat!
http://www.uktrainsim.com/