Line 3
Line 3 stands for:
- Line 3 (Metro Madrid) of the Madrid Metro
- Line 3 of the Moscow Metro, see Arbatsko-Pokrovskaya Line
- Line 3 (Metro Saint Petersburg) of the Saint Petersburg subway
Subway line 3 stands for:
- Subway line 3 (Berlin)
- Underground line 3 in Frankfurt, see underground line A (Frankfurt am Main)
- Subway line 3 (Hamburg)
- Subway line 3 in Munich, see trunk line 1 (Munich subway) # U3
- Metro line 3 (Paris)
- Subway line 3 (Vienna)
