Vienna U-Bahn Editorial Image

The Vienna U-Bahn German: U-Bahn Wien, where U-Bahn is an abbreviation of the German term Untergrundbahn English: underground railway, is one of the two rapid transit metro systems for Vienna, Austria. The second system is the Vienna S-Bahn. With the opening in October 2013 of the 4. 2 kilometers 2. 6 mi-, three-station extension of the U2 line, [6][7] the five line U-Bahn network consists of 78. 5 kilometers 48. 8 mi of route, serving 104 stations. [4] It is the backbone of one of the best performing public transport systems worldwide according to UITP International Association of Public Transport in June 2009. More than 1. 3 million passengers rode the Vienna U-Bahn every day in 2009, and 567. 6 million passengers used the U-Bahn in 2011, which declined to 428. 8 million passengers in 2013. The network is undergoing expansion and rolling stock renewal. Since 1969, 200 million euros have been invested annually in the extension of the Vienna U-Bahn.