Mouette.
The new Mouette long-distance trains will run InterRegio services on the Biel/Bienne–Delémont–Basel SBB route from the 2026 timetable. Delivery will start during the 2023 timetable period. Until the start of planned operations between Biel and Basel, they will serve other routes on the SBB network.
Train characteristics.
- Train category: IR
- Number of trains: 7 planned
- Seats: 181/unit
- Low-floor entry: Yes
Operation routes.

Service zones.
- Sockets
- Mobile signal amplifier
- Priority seats for passengers with reduced mobility
- Wheelchair-accessible toilet
- Seats with Businessbox (1st class)
- Baby-changing table
- Cycle storage spaces
- Pram storage spaces
- Luggage storage space