Boston South Station

Boston South Station (MP 228.7) is in the southeast corner of Atlantic Avenue and Summer Street, with the curves frontage of the headhouse on the corner, and the rear of the headhouse at a 45-degree angle behind, even though the tracks are parallel to Atlantic Avenue. There are six full-length platforms, and two shorter ones, serving thirteen tracks, reducing to six tracks in the station throat, which is also South Junction/Tower 1 (MP 228.5), where four tracks continue south-southwest, bridging over the Fort Point Channel, while five tracks curve west, CETC, overhead electrification, with speed limit 15 mph for passenger trains and 10 mph for freights.