Ashmont station is a Massachusetts Bay Transportation Authority (MBTA) intermodal transit station located at Peabody Square in the Dorchester neighborhood of Boston, Massachusetts. It is the southern terminus of the Ashmont branch of the rapid transit Red Line, the northern terminus of the connecting light rail Ashmont–Mattapan High-Speed Line, and a major terminal for MBTA bus service. Ashmont has two side platforms serving the below-grade Red Line and a single side platform on an elevated balloon loop for the Mattapan Line. The station is fully accessible for all modes.

Mattapan station is an MBTA light rail station in Boston, Massachusetts. It is the southern terminus of the Ashmont–Mattapan High-Speed Line, part of the Red Line, and is also an important MBTA bus transfer station, with eight routes terminating there. It is located at Mattapan Square in the Mattapan neighborhood. At the station, streetcars use a balloon loop to reverse direction back to Ashmont station. Mattapan station is fully accessible, with mini-high platforms.