Sporenplan.nl — Track maps of the trains Netherlands, and partially of Belgium, Germany and other countries, and tram & metro of the Netherlands
Cartometro.com (formerly carto.metro.free.fr) — Track maps of most French city rail (metro & tram) systems and a few abroead, among which London
Urbanrail.net — Network maps of most urban rail systems in the world
Gleisplanweb.eu — Track maps of most of European’s urban (tram & metro) networks
Railway Codes — Track maps of some of the UK’s tram systems
A Complete and Geographically Accurate NYC Subway Track Map — The NYC subway including Manhattan and Bronx’ LIRR, PRR and other railroads