S21 (ZVV)

S21
Trainset at Zürich HB
Overview
LocaleZürich, Switzerland
Termini
Stations5
Service
TypeS-Bahn
SystemZürich S-Bahn
Operator(s)Zürcher Verkehrsverbund (ZVV)
Rolling stock
  • Re 450 and double-decker coaches
  • Re 420 (LION) locomotives and double-decker coaches
History
Opened13 December 2015 (2015-12-13)
Technical
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
map_name

Legend
time
(h)
S6 to Buchs-Dällikon
0:00
 Regensdorf-Watt
S6
0:03
 Zürich Affoltern
(limited service)
S6
S2 S16 S24 to Zürich Airport
S7 to Opfikon
S3 S9 S15 to Oberglatt
S8 S14 S19 to Wallisellen
0:12
 Zürich Oerlikon
S2 S8 S14 S19 to Zürich HB
S24 to Zürich Wipkingen
 Käferberg Tunnel (2.12 km)
S5 S11 S12 S42 to Zürich Altstetten
0:16
 Zürich Hardbrücke
S3 S5 S6 S7 S9 S11 S12 S15 S16
S24 to Zürich Wipkingen
S14 S19 to Zürich Altstetten
S2 S8 S24 S25 to Zürich Wiedikon
S4 S10 from Zürich HB SZU to Zürich Selnau
0:22
 Zürich HB[a]
S2 S8 S14 S19 to Zürich Oerlikon
S3 S5 S6 S7 S9 S11 S12 S15 S16 S20 S23 to Zürich Stadelhofen
[1][2]
This diagram:
  1. ^ Zürich HB tracks (Gleis) from left to right: 21–22 (SZU) / 31–34 / 3–18 (surface) / 41–44.
Zürich S-Bahn network as of December 2018[3]

The S21 is a regional railway service of the Zürich S-Bahn of the Zürcher Verkehrsverbund (ZVV). The service operates at peak hours between Regensdorf-Watt and Zürich Hauptbahnhof over the Wettingen–Effretikon railway, supplementing the regular S6 service, which continues west to Baden.

At Zürich HB, trains of the S21 service usually depart from ground-level track (Gleis) 18.

  1. ^ "S-Bahnen, Busse und Schiffe" (PDF) (in German). Zürcher Verkehrsverbund. 12 December 2021. Retrieved 25 November 2022.
  2. ^ "Zürcher S-Bahn S21" (PDF) (in German). Zürcher Verkehrsverbund. 15 September 2023. Retrieved 7 January 2024.
  3. ^ "S-Bahnen, Busse und Schiffe S-Bahn trains, buses and boats" (PDF). Archived (PDF) from the original on 26 July 2023. Retrieved 26 July 2023.