Brockton Area Transit Authority
| A BAT bus passing by the BAT Centre in Brockton in 2017 | |
| Formerly | Union Street Railway | 
|---|---|
| Founded | 1974 | 
| Headquarters | 155 Court Street | 
| Locale | Brockton, MA | 
| Service type | bus service, paratransit | 
| Routes | 14 | 
| Hubs | 10 Commercial St. | 
| Stations | Ashmont Station | 
| Lounge | 10 Commercial St. | 
| Operator | East Coast Transit Services | 
| Chief executive | Michael Lambert | 
| Website | ridebat.com | 
Brockton Area Transit Authority, branded as Brockton Area Transit (BAT), is a public, non-profit organization in Massachusetts, charged with providing public transportation to the Brockton area, consisting of the city of Brockton and the adjoining towns of Abington, Avon, East Bridgewater, Easton, Milton, Randolph, Rockland, Stoughton & West Bridgewater.
BAT provides fixed route bus services and paratransit services within its area. The primary interchange is the BAT Centre, located adjacent to Brockton station.
As of 2018, BAT operated a fleet of 41 Gillig Low Floor buses, 19 Ford Elkhart Coach buses, and 40 minibuses of two types.
All BAT transit buses accept cash payment or allow fare to be paid via CharlieCard.