The Middlesex 3 Corridor (the “M3 Corridor) represents communities along U.S. Route 3 in Middlesex County, Massachusetts (“M3”).

With a diverse workforce, a convenient and accessible transit system, best-in-the nation public schools and world-class universities, the M3 Corridor attracts a wide-range of industries and research institutions. 

The M3 Corridor Region

Only 20-minutes from downtown Boston and Cambridge, the region is an easy commute to and from Logan Airport and Boston loading docks, offering a convenient alternative for businesses wanting to locate close to the city core.

The Corridor has access to public transportation (rail and bus service), and a network of bike paths and rail trails. Hanscom Airfield, a full-service general aviation airport, is located within the Corridor in Bedford, Massachusetts.




Labor Force


Square Miles