Metrobus (Washington, D.C.)

WMATA Metrobus
Metrobus buses at Ballston–MU station in 2018
ParentWashington Metropolitan Area Transit Authority
Commenced operationJanuary 14, 1973 (1973-01-14)
Headquarters300 7th Street SW, L'Enfant Plaza, Washington, D.C. 20024
Service areaWashington metropolitan area
Service type
Routes125
Stops9,000 (approximate)
Fleet1,595
Daily ridership360,400 (weekdays, Q4 2025)
Annual ridership118,749,200 (2025)
Fuel typeDiesel, Diesel-electric Hybrid, CNG, Electric
OperatorWMATA
General managerRandy Clarke
Websitewmata.com/service/bus

Metrobus is a bus service operated by the Washington Metropolitan Area Transit Authority (WMATA), serving Washington, D.C. and parts of Maryland and Virginia in the Washington metropolitan area. Metrobus operates local, limited-stop, and bus rapid transit services within its service area, complementing the Washington Metro and multiple independent bus operators. Its fleet consists of 1,595 buses, covering an area of 1,500 square miles (3,900 km2).

Metrobus began operation in 1973, as the successor to four failing privately owned bus companies. In 2025, the system had a ridership of 118,749,200, or about 360,400 per weekday as of the fourth quarter of 2025.