| RER Vaud | |
|---|---|
 RER Vaud S3 train at Prilly-Malley in 2012 | |
 | |
| Overview | |
| Native name | French: Réseau express régional vaudois |
| Locale | Vaud |
| Transit type | S-Bahn |
| Number of lines | 10 |
| Operation | |
| Began operation | December 2004 |
| Operator(s) | Swiss Federal Railways (SBB) |
| Technical | |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
RER Vaud (French: Réseau express régional vaudois) is an S-Bahn network in the canton of Vaud in Switzerland. It is centered on Lausanne and began operating in December 2004.
As of December 2023[update] the network consists of the following lines:[1]
All lines except the R7 and R8 serve Lausanne, which serves as the main hub of the network.
With the December 2022 timetable change the RER Vaud network was substantially reorganized:[2]
| Line | December 2021 | December 2022 | Notes |
|---|---|---|---|
| S1 | Grandson – Lausanne | Grandson – Lausanne (– Cully) | |
| S2 | Vallorbe – Aigle (– St-Maurice) | Grandson – Lausanne (– Cully) | Replaces S5 |
| S3 | Allaman – Lausanne | Vallorbe – Aigle (– St-Maurice) | Replaces S5 |
| S4 | Allaman – Palézieux (– Romont) | Le Brassus – Aigle (– St-Maurice) | Replaces S2 and S22 |
| S5 | Grandson – Aigle (– St-Maurice) | Allaman – Palézieux | Replaces S3 and S6 |
| S6 | Lausanne – Palézieux | Allaman – Palézieux (– Romont) | Replaces S4 |
| S7 | Vevey – Puidoux | No change | |
| S8 | Palézieux – Payerne (– Avenches) | No change | |
| S9 | Lausanne – Kerzers | No change | |
| S22 | Le Brassus – Lausanne | Discontinued | Replaced by S4 |
On 10 December 2023, all RER Vaud lines were renamed as "R" and a number, instead of "S."[3]
