US 1: Ramp TC-SB-Charlestown-Tobin to 93S/Storrow e: SOUTH
US 1: RampCT-NB-MM0.1-Charlestown-93N x19 a: NORTH
US 1: Ramp STB-NB-Charlestown-Storrow to Tobin a: NORTH
US 1: RampCT-NB-MM0.1-Charlestown-93N x19 b: NORTH
US 1: Ramp TC-SB-Charlestown-Tobin to 93S/Storrow d: SOUTH
US 1: Ramp STB-NB-Charlestown-Storrow to Tobin b: NORTH
US 1: Ramp TC-SB-Charlestown-Tobin to 93S/Storrow b: SOUTH
US 1: RampSN-SB-MM0.6-Charlestown-93S x18 d: SOUTH
US 1: Rt1-NB-Peabody-@ Jughandle: NORTH
