Massachusetts Route 129

Route 129
Route 129
	Route 129 highlighted in red
Route information
	Maintained by MassDOT
Length	34.08 mi (54.85 km)
Existed	1920s–present
Major junctions
West end	Route 4 / Route 110 in Chelmsford
	US 3 in Chelmsford; I-93 in Wilmington; I-95 / Route 128 in Wakefield; US 1 from Saugus to Lynnfield;
East end	Route 114 in Marblehead
Location
Country	United States
State	Massachusetts
Counties	Middlesex, Essex
Highway system
	Massachusetts State Highway System; Interstate; US; State;

Route 129 is a 34.08-mile-long (54.85 km) east–west Massachusetts state route that runs from Route 4 and Route 110 in Chelmsford to Route 114 in Marblehead. Along the way it intersects several major highways including U.S. Route 3 (US 3) in Chelmsford, Interstate 93 (I-93) in Wilmington, I-95 in Wakefield, and US 1 in Saugus and Lynnfield.