Timetable changeActive
U4: Irregular intervals due to emergency operation
U4 runs at irregular intervals in both directions on 27 September 2026 because of an emergency operation.
- Duration27/09/2026 – 27/09/2026
- Lines affected1
Published 27 September 2026 at 18:30 · Updated 27 September 2026 at 20:50
What changes
What changes
U4 runs at irregular intervals in both directions.
Why
Emergency operation.
Show the operator’s original text
Linie U4:
Unregelmäßige Intervalle in beiden Richtungen.
Grund: Rettungseinsatz.
Affected lines
Click a line to open its timetable and route, with the affected stops marked.
Other changes
All changes- Public event78A, 79A: Irregular intervals on 27 SeptemberActive 27/09/2026 – 27/09/2026
- Public event18, 11A: Event changes 27 SeptemberActive 27/09/2026 – 27/09/2026
- Roadworks26E: replacement bus has less capacity than tramActive 25/09/2026 – 12/12/2026
- Roadworks46, 49, 52: Track works change routes until end OctoberActive 18/09/2026 – 31/10/2026
- RoadworksLines 25, 26, 27: Track work shortens routes until DecemberActive 14/09/2026 – 12/12/2026
- RoadworksS60: Bus replacement between Wien Hbf (U) and Gramatneusiedl BahnhofPlanned 02/10/2026 – 05/10/2026