Buses of Boston 2013 (MBTA)

The MBTA bus system is the nation's seventh largest by ridership and comprises over 150 routes across the Greater Boston area. The area served by the MBTA's bus operations corresponds to that served by the subway, but is significantly smaller than that served by MBTA's commuter rail operation. Seven other regional transit authorities also provide bus services within that larger area, these being Brockton Area Transit Authority, Cape Ann Transportation Authority, Greater Attleboro Taunton Regional Transit Authority, Lowell Regional Transit Authority, Merrimack Valley Regional Transit Authority, Montachusett Regional Transit Authority, and Worcester Regional Transit Authority. All of these authorities have their own fare structures and subcontract operation to private bus companies, but in many cases their buses serve as feeders to the MBTA commuter rail.