The MBTA commuter rail is a public transportation system serving the Greater Boston area and its surrounding regions. Operated by the Massachusetts Bay Transportation Authority, it connects various suburban communities to downtown Boston, making it easier for commuters to travel to work or school. The system includes multiple lines and stops, providing access to key destinations. Trains run on a set schedule, with service typically available during peak hours on weekdays and limited service on weekends. The commuter rail is an essential part of the region's transit network, helping to reduce traffic congestion and promote sustainable travel options.