Massachusetts' South Shore is a south of Boston, bordered on the east by Cape Cod and on the west by central Massachusetts and Rhode Island. The South Shore's coastline is on Cape Cod Bay to the west and Buzzard’s Bay to the south.
The South shore is traversed from west to east by I-195, which leaves Providence, RI, and travels eastward through Fall River, New Bedford, and Wareham, MA as it approaches Cape Cod.
I-495 travels northwest to southeast from Marlborough to Wareham.
I-95 arcs around the western edge of the South Shore region on its inland Route between Providence, RI, and Boston.
Massachusetts Route 3 runs along the eastern coast of the South Shore, Boston to the Sagamore Bridge, crossing the Cape Cod Canal to Cape Cod.