Via peopleneedaplacetogo on Tumbr

Map of all local/urban rail transit systems in Germany (green S-Bahn, blue U-Bahn, red tram, yellow tram-train), by Wikipedia user Chumwa.

Neat to-scale graphic of urban rail (and trolleybus as well, shown in purple) in Germany, last updated in June 2016. The length and breadth of some of the S-Bahn networks is quite astounding – look at Leipzig’s! 

Click through to the map on the Wikimedia Commons for a better look.