The Causeway Street elevated was an elevated section of the MBTA Green Line light rail system in Boston, located in the area near North Station. It was in operation from 1912 until 2004, when it was replaced with a new tunnel and underground station on a slightly different alignment.
An outbound Green Line train on the Causeway elevated in front of Boston Garden. The photo dates to between 1989 (Brigham Circle Line restored to Heath Street) and 1998 (Boston Garden demolished).
An inbound streetcar bound for Pleasant Street at the North Station elevated station in 1912, just after its opening
The Causeway Street elevated tracks in the early 1960s, with the Lechmere Viaduct at lower left and Hotel Madison and Boston Garden and North Station at upper right. The recently cleared land of the West End can also be seen.
A Lechmere-bound PCC streetcar train on the Causeway Street elevated in May 1976, next to Central Artery ramps
Massachusetts Bay Transportation Authority
The Massachusetts Bay Transportation Authority is the public agency responsible for operating most public transportation services in Greater Boston, Massachusetts. The MBTA transit network includes the MBTA subway with three metro lines, two light rail lines, and a five-line bus rapid transit system ; MBTA bus local and express service; the twelve-line MBTA Commuter Rail system, and several ferry routes. In 2023, the system had a ridership of 239,981,700, or about 755,500 per weekday as of the fourth quarter of 2023, of which the rapid transit lines averaged 267,100 and the light rail lines 80,300, making it the fourth-busiest rapid transit system and the third-busiest light rail system in the United States. As of the fourth quarter of 2023, average weekday ridership of the commuter rail system was 97,100, making it the fifth-busiest commuter rail system in the U.S.
Massachusetts Bay Transportation Authority
Park Street station in Boston on the Green Line soon after opening, c. 1898
The SL3 bus rapid transit service, which was introduced in 2018
Red Line at Downtown Crossing