U.S. Route 5
U.S. Route 5 (US 5) is a north–south United States Numbered 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.
U.S. Route 5 | |||||||||||||||||||
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US 5 highlighted in red | |||||||||||||||||||
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| Length | 300.338 mi (483.347 km) | ||||||||||||||||||
| Existed | 1926–present | ||||||||||||||||||
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| South end | I-91 in New Haven, CT | ||||||||||||||||||
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| North end | R-143 at the Canada–US border in Derby Line, VT | ||||||||||||||||||
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| Country | United States | ||||||||||||||||||
| States | Connecticut, Massachusetts, Vermont | ||||||||||||||||||
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The entire route of US 5 is closely paralleled by Interstate 91 (I-91). US 5 now serves as the local business route and alternate route for the Interstate Highway. The northern terminus of US 5 is in Derby Line, Vermont, at the Canada–United States border, where it continues past the Derby Line–Stanstead Border Crossing into Quebec as Route 143, which was Route 5 until renumbered in the mid-1970s. Its southern terminus is in New Haven, Connecticut, at an intersection with I-91.