Massachusetts Route 135

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Route 135 marker

Route 135
Route information
Maintained by MassDOT
Length: 29.53 mi[1] (47.52 km)
Major junctions
West end: US 20.svg U.S. Route 20 in Northborough
  MA Route 9.svg Route 9 in Westborough
MA Route 30.svg Route 30 in Westborough
MA Route 85.svg Route 85 in Hopkinton
MA Route 126.svg Route 126 in Framingham
MA Route 27.svg Route 27 in Natick
MA Route 16.svg Route 16 in Wellesley
East end: I-95.svgMA Route 128.svg I-95/Route 128 in Dedham
Counties: Worcester, Middlesex, Norfolk
Highway system
  • Massachusetts State Highway Routes
Route 134 Route 136

Route 135 is a state highway in eastern Massachusetts, running from U.S. Route 20 in Northborough east to Interstate 95 (Route 128) in Dedham. The first 13 miles (21 km) of the Boston Marathon, from Hopkinton to Wellesley, follow Route 135.

Route description[edit]

Route 135 westbound in Framingham

Route 135 begins at U.S. Route 20 in Northborough. The route follows a generally southeasterly path, interchanging with Route 9 approximately 1-mile (1.6 km) from its beginning. The route continues into Westborough, where it meets Route 30 at a rotary. Route 135 continues southeast, crossing underneath Interstate 90 and Interstate 495, but interchanging with neither. The route enters Hopkinton, and turns northeast at an intersection with West Main Street (access to I-495 is possible using this road). Not far down the road, Route 135 crosses Route 85, continues into Ashland and then into Framingham. In downtown Framingham, Route 135 crosses Route 126 at a rather notorious intersection with railroad crossings, which often cause backups. Route 135 continues into Natick and crosses Route 27 in the center of town. The road continues into Wellesley, passing by the campus of Wellesley College before entering the town center. Route 135 and Route 16 meet at a 5-way intersection and run concurrently for a short distance. Route 135 splits off Route 16 and once again turns southeast onto Great Plain Avenue. The highway enters Needham, and splits off Great Plain Avenue towards Dedham. Upon entering Dedham, Route 135 terminates at Interstate 95.

Route 135 officially ends at this interchange, although current signage indicates that the route continues eastward (it actually did up to the 1950s). The road that continues after the interchange (West St./Common St.) passes Northeastern University's Dedham campus and meets Route 109 approximately a half mile to the southeast, near Dedham Center.


Originally, the eastern terminus of Route 135 was in Quincy at the current intersection of Route 3A and Route 53. The route was truncated after completion of the Route 128 freeway in the late 1950s made Route 135's routing redundant.

Junction list[edit]

County Location Mile km Destinations Notes
Worcester Northborough 0.00 0.00 US 20 Western terminus of Route 135.
Westborough 2.6 4.2 Route 9
4.2 6.8 Route 30 Rotary intersection.
Middlesex Hopkinton 6.4 10.3 I‑90 (Mass. Pike) No access between I-90 and Route 135
8.9 14.3 I‑495 No access between I-495 and Route 135
10.5 16.9 Route 85
Framingham 17.3 27.8 Route 126
Natick 21.0 33.8 Route 27
Norfolk Wellesley 24.0 38.6 West plate.svg
Route 16 west
Western terminus of Route 16/135 concurrency.
24.2 38.9 East plate.svg
Route 16 east
Eastern terminus of Route 16/135 concurrency.
Dedham 29.53 47.52 I‑95 / Route 128 Eastern terminus of Route 135.
I-95 / Route 128 Exit 17.
West Street continues east to Route 109.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Closed/former
  •       Concurrency terminus