"North" . "U.S. Route 5 (US 5) is a north\u2013south United States highway running through the New England states of Connecticut, Massachusetts, and Vermont. Significant cities along the route include New Haven, Connecticut; Hartford, Connecticut; and Springfield, Massachusetts. From Hartford northward to St. Johnsbury, Vermont, the road closely follows the route of the Connecticut River.The entire route of US 5 is closely paralleled by Interstate 91."@en . . . . "US" . . . . "483350.0"^^ . "5" . "South" . .