
Developing: Düsseldorf, Hannover, and Köln have a stadtbahn system as well but some may know as a U-Bahn. As of June 21 2014, the set is no longer restricted to trains in Germany, and now will accept requests for modern metro systems from across Europe!
We have sprites or in progress for the metro systems of: Berlin, Hamburg, Frankfurt, Cologne, Stuttgart, Munich, Nuremberg, Vienna, Copenhagen, Stockholm, Helsinki and Prague. Next due are trains of Amsterdam, Duesseldorf, Oslo, and more!
Coders, Information-finders, and artists wanted!
CREDITS

Graphic artists:
Me!
Yoshi
UseYourIllusion(former)/Tinymusic
Manuel18
Coders:
Alberth (test), SuperCheese
Translators:
English - Supercheese
German - Yoshi
Afrikaans - te_lanus
Spanish - Manuel18
GPL v2
The progress:
Germany (15 trains, 7 cities)
Berlin
BVG HK Berlin
Drawn by me, coded by Supercheese
BVG H Berlin
Drawn by Yoshi, coded by Supercheese
BVG F92 Berlin
Drawn by me, coded by Supercheese
Nürnberg/Nuremberg
VAG DT3 Nürnberg
Drawn by me, coded by Supercheese
VAG DT2 Nürnberg
Drawn by me, coded by Supercheese
Hamburg
HHA DT5 Hamburg
Drawn by Tinymusic/UseYourIllusion, coded by Supercheese
HHA DT4 Hamburg
Drawn by Tinymusic/UseYourIllusion, coded by Supercheese
Frankfurt
VGF U4
Drawn by me, coded by Supercheese
VGF U5
Drawn by me, not coded yet
München/Munich
MVG DT2 or B-train
Drawn by me, coded by Supercheese
MVG C-Train
Drawn by me, coded by Supercheese
Stuttgart
SSB DT8
Drawn by me, not coded yet
Cologne/Köln
KVB K4000
Drawn by me, not coded yet
KVB K4500
Drawn by Yoshi, not coded yet
KVB K5000
Drawn by me, not coded yet
Denmark(1 train, 1 city)
København
Copenhagen ABD
Drawn by me, Not coded yet
Sweden(1 train, 1 city)
Stockholm
Stockholm C20
Drawn by me, not coded yet
Austria(2 trains, 1 city)
Wien/Vienna
V-Train
Drawn by me, not coded yet
Type T1
Drawn by me, not coded yet
Czech Republic
Prague/Praha
Siemens M1
Drawn by Manuel18, not coded yet
Finland
Helsinki
M200
Drawn by me, not coded yet
Netherlands
Amsterdam
M5