The line contains several different route and only the section from Effretikon to Winterthur has no alternative route.
Zürich Hauptbahnhof and Oerlikon are connected by three tunnels.
Two of them from the above-ground "old" terminus to Oerlikon.
In 2014, with the commissioning of the Weinberg Tunnel, trains have run from the newly built underground station to Oerlikon.
There are three connections from Oerlikon to Effretikon: via Wallisellen, Kloten and the Airport.
The Zürichberg line, which runs from the Hauptbahnhof via Stadelhofen to Effretikon, is, with a few exceptions, only used by S-Bahn trains.
The line contains several different route and only the section from Effretikon to Winterthur has no alternative route. Zürich Hauptbahnhof and Oerlikon are connected by three tunnels. Two of them from the above-ground "old" terminus to Oerlikon. In 2014, with the commissioning of the Weinberg Tunnel, trains have run from the newly built underground station to Oerlikon. There are three connections from Oerlikon to Effretikon: via Wallisellen, Kloten and the Airport. The Zürichberg line, which runs from the Hauptbahnhof via Stadelhofen to Effretikon, is, with a few exceptions, only used by S-Bahn trains.
Zürich–Winterthur railway