The Massachusetts Bay Transportation Authority Police (MBTA Police) is a law enforcement agency responsible for ensuring safety and security within the MBTA transit system. This includes overseeing the subway, bus, and commuter rail services in the greater Boston area. The police work to prevent crime, respond to emergencies, and provide assistance to passengers. MBTA Police officers are trained to handle various situations, including fare evasion, public disturbances, and emergencies. They collaborate with local law enforcement agencies to enhance public safety and maintain order throughout the transit system, ensuring a safe travel experience for all commuters.