At Zürich HB, trains of the S8 service usually depart from underground tracks (Gleis) 31–34 (Löwenstrasse station).

The line runs from Winterthur via Oerlikon and the Weinberg Tunnel to Zürich Hauptbahnhof and continues on the left shore of Lake Zurich (over the Lake Zürich left-bank railway line) to Pfäffikon (SZ).

The line's overnight service (SN8), operating on weekends after midnight, runs between Zürich HB and Lachen (SZ).

As of the December 2022 timetable change,[update] most services are operated with RABe 514 class trains.

[5] Media related to S8 line (Zürich S-Bahn) at Wikimedia Commons