 The BVG launched the on 12 December 2004 which remodeled the tram and bus network to create 24 tram and bus lines (with M prefix) covering parts of the city that weren't served by or .In September 2019, BVG launched first in the world large scale Mobility as a service project “Jelbi”  together with a Lithuanian mobility startup Trafi.BVG operates the , an urban rapid transit rail system.