Massachusetts State Route 1A is a north-south highway along Massachusetts Bay. It runs from Interstate 93/U.S. Rt. 1/Massachusetts State Route 3, at Boston, north to the Suffolk/Essex County County. MA St Rt 1A passes through the following towns in Suffolk County. Boston Revere MA St Rt 1A is not multi-plexed in Suffolk County. MA St Rt 1A intersects the following highways in Suffolk County. Interstate 93, at Boston. U.S. Rt. 1, at Boston. Massachusetts State Route 3, at Boston. Interstate 90, (Massachusetts Turnpike) at Boston. Massachusetts State Route 145, at Boston. Massachusetts State Route 145, at Revere. Massachusetts State Route 16, at Revere. Massachusetts State Route 60, at Revere.
A guide marker in Boston. Photo from: Paul Dienhart A guide marker in Boston. Photo from: Paul Dienhart A BGS in Downtown Boston. A BSG in Downtown Boston. A BGS on SB I-93/U.S. Rt. 1. NB MA St Rt 1A at the west entrance to the Callahan Tunnel.
