U3, Wien U-Bahn
- Also Known As: Line U3
- Vicinity: From Ottakring to Simmering
Line U3 is one of the lines of the Vienna U-Bahn rapid transit system. The shortest line on the network, it runs from Ottakring to Simmering connecting to U1 at Stephansplatz, U2 at Volkstheater, U4 at Landstrasse and U6 at Westbahnhof. - AsNotedIn