S20
Overview
First service	11 June 2019 (2019-06-11)
Current operator(s)	Swiss Federal Railways
Route
Start	Zürich Hardbrücke
Stops	6
End	Uerikon
Distance travelled	28.9 kilometres (18.0 mi)
Average journey time	33 minutes
Service frequency	Three round-trips on weekdays
Line(s) used	Lake Zürich right-bank railway line
Route map Legend to Zürich Altstetten to Zürich Oerlikon 0:00 Zürich Hardbrücke S2 S8 S24 S25 to Thalwil S4 S10 to Zürich Selnau 0:03 Zürich HB 0:08 Zürich Stadelhofen S18 to Esslingen S11 S12 S23 to Winterthur S3 to Wetzikon S5 S9 S15 to Uster 0:12 Küsnacht ZH S6 S16 0:19 Meilen S6 S7 0:26 Männedorf S7 0:29 Stäfa S7 0:33 Uerikon S7 S7 to Rapperswil This diagram: view talk edit

The S20 is a railway service of the Zürich S-Bahn that provides rush-hour service between Zürich Hardbrücke and Uerikon, in the Swiss canton of Zürich. Swiss Federal Railways operates the service.

History

The S20 was introduced on 11 June 2019, with the initial southeastern terminus at Stäfa.^[1] It was extended from Stäfa to Uerikon with the December 2021 timetable change.^[2]

Operations

As of the December 2021 timetable change,^[update] there are four departures in the morning from Uerikon and three in the late afternoon/early evening from Zürich Hardbrücke. The service does not operate on weekends.^[3] Most services are operated by SBB-CFF-FFS Re 420 locomotives pulling coaches.^[4]