It consists of a core line in Saarbrücken and Riegelsberg operating under tram operating procedures (BOStrab), connected to two lines that are operated under railway operating procedures (EBO), the Lebach–Völklingen railway to the north and the Saarbrücken–Sarreguemines railway in the south.
Saarbahn |
Saarbahn services have since operated between Walpershofen/Etzenhofen and Heusweiler Markt on the route of the Koller Valley Railway.
Since 1997, the line has been operated as part of the Saarbahn Stadtbahn service; Regional-Express services also run between Saarbrücken and Strasbourg.