The MBTA's Tower A stands guard at the entrance to Boston's North Station, as the lights from an outbound Keolis commuter train streak by. Tower A is the last manned tower on the MBTA's northside.... (more)
MBTX 3GS21B "Genset" 3248 brings up the rear of an empty ballast train out of Middleboro. GP9 904 is leading the train to Boston.
Video here: https://youtu.be/mcATKlS-YMQ