Stadtbahn is a German word referring to various types of urban rail transport. One type of transport originated in the 19th century, firstly in Berlin and followed by Vienna, where rail routes were created that could be used independently from other traffic.
Cologne Stadtbahn at Bensberg in 2005
A Stuttgart Stadtbahn train in 2002
Underground line U7 running as a Stadtbahn amidst Ludwig-Landmann-Straße in Frankfurt-Rödelheim
Zwickau diesel tram-train (Vogtlandbahn)
The Vienna Stadtbahn was a rail-based public transportation system operated under this name from 1898 until 1989. Today, the Vienna U-Bahn lines U4 and U6 and the Vienna S-Bahn run on its former lines.
Vienna's Stadtbahn network in 1937
Opening of the Wiener Stadtbahn (postcard 1898)
Before electric cars, ca. 1910
Wien River and Stadtbahn, on Längenfeldgasse (street)