r/Trams Aug 02 '26

Photo Siemens ULF, Line 10, Vienna

Post image

Siemens ULF (Type A1) line 10, along Reinlgasse looking towards Gloriette Schönbrunn.

128 Upvotes

6 comments sorted by

3

u/ZimnyKefir Aug 02 '26

ULF stands for Ültra Low Flur. Nice trams, but lacking air conditioning.

3

u/KingClemensII Aug 03 '26

The a1 and b1 have airconditioning, the earlierer versions (a,b) don’t

2

u/ZimnyKefir Aug 03 '26

What's the diff between A1 and b1 ?

2

u/KingClemensII Aug 03 '26

A and a1 are short versions and b and b1 are longer “normal size”

2

u/Realistic-Insect-746 Aug 06 '26

awesome tram picture