U.S. Route 7 in Massachusetts

US 7 enters Massachusetts in the town of Sheffield and remains a two-lane road until Lenox. There, a four-lane bypass of Lenox was built in two pieces, and the old US 7 is now Route 7A. US 7 continues on as a four-lane road to Pittsfield, where it is then a three-lane road, narrowing to two lanes for a short time, then widening to four lanes in downtown Pittsfield. US 7 leaves downtown Pittsfield as a two-lane surface arterial, and continues as a rural highway with occasional three-lane stretches for climbing the grades along the Berkshires. It passes west of Mount Greylock before passing through Williamstown, connecting the Taconic Trail with the Mohawk Trail. The road passes Williams College before entering Vermont.'

Like Connecticut, Massachusetts planned an interstate-grade freeway (proposed I-89) in the US-7 corridor. The only portions of this plan to be completed were the short "Super-2" freeway section from the Connecticut border to Sheffield, and the 4-lane section south of Lenox, although land takings for additional freeway sections occurred. The highway was ultimately canceled due to environmental and community opposition.

In Massachusetts, US 7 passes through the towns of Sheffield, Great Barrington, Stockbridge, Lee, Lenox, Pittsfield, Lanesborough, New Ashford, and Williamstown, before crossing into Pownal, Vermont.

The entire route is in Berkshire County. [1]

Location[1]	mi[1]	km	Destinations	Notes
Sheffield	0.000	0.000	US 7 south – Canaan	Continuation into Connecticut
	1.906	3.067	Housatonic River
	2.958	4.760	Route 7A south – Ashley Falls	Northern terminus of Route 7A (southern section)
Great Barrington	10.481	16.868	Route 23 west / Route 41 south to Route 71 – South Egremont, Hillsdale, NY	Southern end of concurrency with Routes 23 and 41
	11.451	18.429	Route 41 north – West Stockbridge	Northern end of concurrency with Route 41
	11.451	18.429	Housatonic River
	11.944	19.222	Route 23 east / Route 183 south – Monterey, Springfield	Northern end of concurrency with Route 23; southern end of concurrency with Route 183
	13.328	21.449	Route 183 north – Housatonic, Interlaken	Northern end of concurrency with Route 183
Stockbridge	17.806	28.656	Housatonic River
	18.049	29.047	Route 102 west – West Stockbridge	Southern end of concurrency with Route 102
	18.405	29.620	Route 102 east – Lee	Northern end of concurrency with Route 102
Lenox	22.551	36.292	Route 7A north – Historic Lenox	Southern terminus of Route 7A (northern section)
	23.415	37.683	US 20 east to Mass Pike – Lee	Southern end of concurrency with US 20
	23.713	38.162	Route 183 south – Historic Lenox, Tanglewood	Northern terminus of Route 183
	25.565	41.143	Route 7A south – Historic Lenox	Northern terminus of Route 7A (northern section)
Pittsfield	30.814	49.590	US 20 west – Albany, NY	Northern end of concurrency with US 20
	31.004	49.896	Route 9 west to US 20 west	Southern end of concurrency with Route 9
	31.157	50.142	Route 9 east – Dalton, Northampton	Northern end of concurrency with Route 9
Williamstown	47.205	75.969	Route 43 – Williamstown, Hancock, Stephentown, NY
	49.084	78.993	Route 2 west – Troy, NY	Southern end of concurrency with Route 2
	51.405	82.728	Route 2 east – North Adams	Northern end of concurrency with Route 2
	52.572	84.606	Hoosic River
	53.85	86.66	US 7 north – Pownal	Continuation into Vermont
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

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