Most of the public transit within Brussels is operated by the Brussels Intercommunal Transport Company (STIB in French, MIVB in Dutch). STIB/MIVB was founded in 1954. Today, STIB/MIVB has 24 miles of subway served by 6 lines, nearly 80 miles of tram track served by 15 lines, and 51 bus routes. In 2011, 329 million passengers used the system.
Brussels's first horse drawn tram was inaugurated in 1869 and the first electric tram entered service in 1894. Today, the tram network is one of the ten largest in the world with 19 lines and over 86 miles of track. In 2012, the system carried over 123 million passengers.
Brussels's first bus line began operation in 1907 with a single route from the Brussels Stock Exchange to the Ixelles Town Hall. Today, the city has 50 bus routes.