Massacusetts Bay Transportation Authority

Massacusetts Bay Transportation Authority. Mbta (massachusetts bay transportation authority ) is a public transportation provider in boston which operates subway lines since 1897. Candidates give an average difficulty score of 3 out of 5 (where 5.

The massachusetts bay transportation authority, more commonly known as the t, is one of the oldest public transit systems in the united states. The massachusetts bay transportation authority (mbta) is the public agency responsible for operating public transportation services in the greater boston,.