The Stuttgart Stadtbahn is a light rail system in Stuttgart, Germany. The Stadtbahn began service on 28 September 1985.[3] It is operated by the Stuttgarter Straßenbahnen AG (SSB), which also operates the bus systems in that city. The Stuttgart Stadtbahn is successor system of a tram network (Straßenbahnen) that characterized the urban traffic in Stuttgart for decades.

The fleet consists of 184 double-wagons of type DT 8 specially developed for Stuttgart and its topographical features by DUEWAG, AEG, Siemens, Stadler, SGP (technical equipment) and Lindinger & Partner (design).