Zürich Seebach railway station
Trains on the S6 provide a half-hourly connection to Zürich Hauptbahnhof station, taking 12 minutes for the journey via the southern connector and Oerlikon station. In the opposite direction, S6 trains continue to Baden station, taking 28 minutes for the journey. The station also sees significant through freight traffic, most of which takes the Furttal line in order to avoid passing through central Zürich, using the northern connector onto or off the Zürich–Winterthur line.
Bilevel rail car
Since 1982, SNCF has been running double-deck RER trains. And since 1996, SNCF runs double-deck TGV cars on heavily used high-speed services, such as on the Paris-Lyon-Marseille line. Many suburban rail, regional rail and high-speed services are operated by double-deck DMUs, EMUs, coaches and TGV. The TGV Duplex are the fastest double-decker trains in the world with a commercial top speed of 320 km/h. Specially tuned trainset 4402 also holds the world speed record for conventional trains, reaching 574.8 km/h in 2007. The French loading gauge dictates that the double-deck cars have a maximum height of .