U.S. Federal Route 1 runs north-south in Eastern Suffolk County. From the Charles River to the Norfolk/Suffolk County Line, it runs along Interstate 93. U.S Rt. 1 passes through the following towns in Suffolk County. Revere Chelsea Charlestown Boston U.S. Rt. 1 is multi-plexed in Suffolk County. Interstate 93, at Boston.
SB U.S. Rt. 1 in Revere. SB U.S. Rt. 1 north of the Tobin Bridge. The two mile warning sign on SB U.S. Rt. 1. SB U.S. Rt. 1 on the Chelsea side of the bridge. SB U.S. Rt. 1 on the bridge near the plaza. SB U.S. Rt. 1 crossing the bridge. SB U.S. Rt. 1 at the toll plaza. SB U.S. Rt. 1 on the Charlestown side of the bridge. SB U.S. Rt. 1 near I-93. A BGS on NB I-93. SB I-93/U.S. Rt. 1 at the Charles River. SB I-93/U.S. Rt. 1 crossing the Charles River. NB I-93/U.S. Rt. 1 on the Boston side of the bridge. NB I-93/U.S. Rt. 1 crossing the bridge. SB I-93/U.S. Rt. 1 at the northern entrance to the Thomas P. O'Neill Jr. Tunnel.