|Shuttle buses replacing Green Line D branch service between Reservoir and Riverside Stations due to a power problem. Please expect severe delays as buses are sent. Seek alternate transportation if possible.|
Transit Police Service Areas (TPSA)
The MBTA is broken into four Transit Police Service Areas. A Lieutenant commands each TPSA. The four geographical service areas are responsible to staff the patrol beats of their respective areas. Each geographical TPSA includes Sergeants and Police Officers assigned to foot and vehicle patrol. Please click on the TPSA area below for further information.