Regionalexpress (REX)

REX (Regional express) are semi fast regional trains calling at fewer stations compared to regular regional trains. They consist of a variety of modern air-conditioned multiple units or double-deck carriages or older regular carriages.

There are several different types of trains. All are 2nd class only.

- Cityjet: electro multiple unit, most modern trains; low-floor, air-condition, power sockets, equipped for persons with reduced mobility, bicycle storage. Wifi on some trains
- Talent: electro multiple unit;low-floor, air-condition, equipped for persons with reduced mobility, bicycle storage
- Desiro: diesel multiple unit; low-floor, air-condition, equipped for persons with reduced mobility, bicycle storage
- City Shuttle: single-deck carriages; high-floor, no air-condition, bicycle storage
- City Shuttle/Wiesel: double-deck carriages; low-floor, air-condition, equipped for persons with reduced mobility, bicycle storage

Seat reservation is not possible.