Overhead line or third rail ,
U-Bahnlinie in Boston, Massachusetts
An eastbound Blue Line train entering State station in 2024
Siemens Type 5 East Boston
subway line of the MBTA (Boston subway system)
Blue Line
Boston and Revere, Massachusetts
ligne du métro de Boston, USA
Синя лінія (MBTA)
Ligne bleue du métro de Boston
Blue Line (MBTA)
Línea Azul (Metro de Boston)
波士顿地铁蓝线
Linha Azul (Metro de Boston)
Синяя линия (MBTA)