Massachusetts Route 135

Route 135
Route 135
	Route 135 highlighted in red
Route information
	Maintained by MassDOT
Length	29.53 mi (47.52 km)
Existed	1927–present
Major junctions
West end	US 20 in Northborough
	Route 9 / Route 30 in Westborough; Route 85 in Hopkinton; Route 126 in Framingham; Route 27 in Natick; Route 16 in Wellesley;
East end	I-95 / Route 128 in Dedham
Location
Country	United States
State	Massachusetts
Counties	Worcester, Middlesex, Norfolk
Highway system
	Massachusetts State Highway System; Interstate; US; State;

Route 135 is a 29.53-mile-long (47.52 km) east-west state highway in eastern Massachusetts. The western terminus is at U.S. Route 20 in Northborough and the eastern terminus is at I-95 and Route 128 in Dedham.

The first 13 miles (21 km) of the Boston Marathon, from Hopkinton to Wellesley, follow Route 135.