Massachusetts Route 30

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Route 30 marker

Route 30
Route information
Length: 36.3817 mi[1] (58.5507 km)
Existed: by 1933 – present
Major junctions
West end: MA Route 122.svgMA Route 140.svg Route 122/140 in Grafton

MA Route 85.svg Route 85 in Southborough
I-90.svg Mass Pike in Framingham

I-95.svgMA Route 128.svg I-95/Route 128 in Weston
East end: US 20.svg US 20 in Boston
Counties: Worcester, Middlesex, Suffolk
Highway system

Massachusetts State Highway Routes

Route 28 Route 31

Route 30 is an east–west arterial, connecting Grafton with Packard's Corner in Boston. Route 30 runs roughly parallel to the Massachusetts Turnpike and Route 9, but unlike those two larger highways, takes a more meandering path from town to town. Between Boston and the Charles River it is known as Commonwealth Avenue, along most of this route is part of the course of the Boston Marathon.

Route 30 has two interchanges with the Mass Pike, at Exits 13 in Framingham and 14/15 in Weston; the latter also includes the junction with Interstate 95 (Route 128). It also has two interchanges with Route 9, one in Westborough and one at the Southborough-Framingham border (where the two highways have an interchange without actually crossing), as well as a section further east in Framingham that runs concurrently with Route 9, for a total of four junctions between Routes 9 and 30.

Route description[edit]

Route 30 begins in North Grafton at Route 122, where it shares a roadway briefly with Route 140. The route travels northeast, passing the Tufts University Cummings School of Veterinary Medicine. The road continues into Westborough, where it crosses Route 135 at a rotary and interchanges with Route 9 to the northeast. After crossing Route 9, Route 30 turns eastward, crossing underneath Interstate 495 without an interchange. The route continues east into Southborough, where it crosses Route 85. Route 30 interchanges once again with Route 9 (without actually crossing it) and continues to parallel the highway into Framingham. In Framingham, Route 30 joins Route 9 in an approximately one-mile concurrency, and leaves via an interchange with Route 126 (heading eastward, there is a very brief concurrency between routes 30 and 126; heading westward, Route 30 joins Route 9 one block west of the Route 126 interchange). Route 30 continues to the northeast and interchanges with the Massachusetts Turnpike. Route 30 continues northeast, crossing over the Mass Pike, and very briefly entering Natick before entering Wayland. In Wayland, Route 30 crosses Route 27 and continues northeast, very closely paralleling the Mass Pike. Route 30 continues into Weston, where it enters a large interchange with the Mass Pike and Interstate 95 (Route 128). Upon crossing over I-95 and the Charles River, there is a drastic change in scenery as one crosses from Boston's suburbs to the metropolitan area. With this, Route 30 enters Newton, crossing over the Mass Pike again and then crossing Route 16. Route 30 winds to the east, passing Boston College in Chestnut Hill and entering Allston before ending at U.S. Route 20 at Packard's Corner, approximately 2 miles (3.2 km) west of downtown Boston.

Junction List[edit]

County Location Mile Km Roads intersected Notes
Worcester Grafton 0.0 0.0 MA Route 122.svg Route 122
MA Route 140.svg Route 140 South
Western end of Route 30 at end of concurrency between Routes 122 & 140.
Begin concurrency with Route 140 Northbound.
0.3 0.5 MA Route 140.svg Route 140 North End concurrency with Route 140.
Westborough 6.3 10.1 MA Route 135.svg Route 135
7.7 12.4 MA Route 9.svg Route 9 Loop interchange above Route 9. Eastbound to I-495.svg I-495
Southborough 11.9 19.2 MA Route 85.svg Route 85
Middlesex Framingham 17.9 28.8 MA Route 9.svg Route 9 Western end of concurrency with Route 9
18.8 30.3 MA Route 9.svg Route 9 West Route 30 westbound begins concurrency with Route 9.
Route 30 eastbound and westbound split paths.
19.1 30.7 MA Route 9.svg Route 9 East Eastern end of eastbound concurrency with Route 9
19.2 30.9 MA Route 126.svg Route 126 Begin eastbound concurrency with Route 126
19.6 31.5 MA Route 126.svg Route 126 End eastbound concurrency with Route 126.
Route 30 eastbound and westbound rejoined.
20.5 33.0 I-90.svg I-90/Mass Pike Ramp access to Route 30 via I-90 Exit 13
Wayland 22.1 35.6 MA Route 27.svg Route 27
Weston 27.9 44.9 I-90.svg I-90/Mass Pike
I-95.svg I-95
MA Route 128.svg Route 128
Weston Interchange: Access to Mass Pike exits 14-15 via River Road
Access to I-95/Rte. 128 Exit 24
28.1 45.2 Charles River crossing
Western end of Commonwealth Avenue
Newton 29.7 47.8 MA Route 16.svg Route 16 Boston Marathon joins Route 30 between miles 17-18 of route.
Suffolk Boston 33.7 54.2 Lake Street Boston College terminus of Green Line "B" Branch
B-line begins following Rte. 30/Commonwealth Avenue
36.4 58.6 US 20.svg U.S. Route 20 Eastern end of Route 30 at Packard's Corner


Route map: Google / Bing

  1. ^ Executive Office of Transportation, Office of Transportation Planning - 2005 Road Inventory