US 7 General Routing CT line in Ashley Falls to VT line in Williamstown via Great Barrinton and Pittsfield. Upgrades and Multiplexes Multiplexed with US 20 between Lenox and Pittsfield.

US 20 General Routing NY line in Pittsfield to Boston via Springfield, Auburn, Marlborough, Waltham and Watertown. Upgrades and Multiplexes Cosigned with US 7 from Pittsfield to Lenox.

US 3 General Routing Cambridge to NH line at Tyngsboro via Arlington, Burlington and Lowell. Upgrades and Multiplexes Limited access highway north of I-95. Reverse multiplex with I-95.

US 1 General Routing RI border in Attleboro to NH border in Salisbury via N. Attleboro, Norwood, Boston, Revere, Danvers and Newburyport. Upgrades and Multiplexes Paired along I-95 as a reverse multiplex in Norwood and Canton.

US 202 General Routing CT line in Southwich to NH line in Winchendon via Holyoke and Shutesbury Upgrades and Multiplexes

US 6 General Routing RI border in Seekonk to Provincetown via Fall River, New Bedford, Buzzard’s Bay, Sagamore and Orleans. Upgrades and Multiplexes Expressway/Super-2 from Sagamore to Orleans. Brief multiplex with MA 114A in Seekonk.

US 5 General Routing CT line in Longmeadow to VT line in N. Bernardston via Springfield, Holyoke, Northampton ande Greenfield. Upgrades and Multiplexes Brief multiplex with I-91 in Springfield.

US 44 General Routing RI line in Seekonk to Plymouth via Taunton Upgrades and Multiplexes Brief multiplex with MA 140 in Taunton. Cosigned with MA 3 in Plymouth.