Morges–Perroy Tunnel (Lausanne–Geneva)

Project overview

Morges–Perroy Tunnel (Lausanne–Geneva) — new 13 km rail bypass in Morges–Perroy (Vaud), Switzerland, including 10 km of tunnel, on the Léman 2030 corridor. 15 kV AC 16.7 Hz, ERTMS L2. Reference route approved by the Federal Office of Transport (OFT) on 25 June 2026; parliamentary funding vote expected 2027. Cost estimated at CHF 2.1-3.1bn; service envisaged at the earliest by 2043.