Transport in Berlin
Public transport
Berlin's local public transport network is under the regional transit authority named Verkehrsverbund Berlin-Brandenburg (VBB), a common undertaking of the two federal states (Bundesland) Berlin and Brandenburg, plus the counties (Landkreis) and cities of the Land of Brandenburg.

Transport in Berlin

Section Title: Public transport
Table Section Text: Berlin's local public transport network is under the regional transit authority named Verkehrsverbund Berlin-Brandenburg (VBB), a common undertaking of the two federal states (Bundesland) Berlin and Brandenburg, plus the counties (Landkreis) and cities of the Land of Brandenburg.

System	Stations / Lines / Net length	Passengers per year	Operator / Note

S-Bahn	166 / 15 / 327 km (203 mi)	417,000,000 (2015)	DB / Mainly overground rapid transit rail system with suburban stops

U-Bahn	173 / 10 / 146 km (91 mi)	507,000,000 (2012)	BVG / Mainly underground rail system / 24h-service on weekends

Tram	404 / 22 / 189 km (117 mi)	181,000,000 (2014)	BVG / Operates predominantly in eastern boroughs

Bus	3227 / 151 / 1,626 km (1,010 mi)	405,000,000 (2014)	BVG / Extensive services in all boroughs / 62 Night Lines

Ferry	5 lines	BVG / All modes of transport can be accessed with a single ticket

Sentence(s)

The U-Bahn is comprised of 173 stations.

final_sentence: The U-Bahn is comprised of 173 stations.