Massachusetts Route 128

Massachusetts Route 128
State	MA
Type	MA
Route	128
Length mi	57.56
Length km	92.63
Direction a	South
Terminus a	I-95, I-93, US, 1 in Canton
Direction b	North
Terminus b	I-95, US, 1 in Gloucester
Counties	Norfolk, Suffolk, Middlesex, Essex
System	Massachusetts Highway System

Contents

Route description
History
Major intersections
Exit list
Public transportation
See also

Massachusetts Route 128, known as the Yankee Division Highway along its northern section, is a major state highway in the U.S. state of Massachusetts. It forms a partial beltway around the city of Boston, running from Canton in the south to Gloucester on the North Shore. The highway is famously associated with the high-technology corridor along its western arc, an area often referred to as "America's Technology Highway."

Route description

From its southern terminus at the complex interchange with Interstate 95, I-93, and U.S. Route 1 in Canton, the route arcs northwest and then north. It passes through or near numerous suburbs including Dedham, Westwood, and Waltham. The highway is concurrent with I-95 for approximately 37 miles from Canton north to Peabody, a section that is a vital part of the New England highway network. North of the split with I-95, the road continues independently through Beverly and terminates at a junction with U.S. Route 1 and I-95 in Gloucester.

History

The earliest sections of the highway were constructed in the late 1920s, with initial planning focused on providing a bypass around Boston. Major construction and expansion occurred in the 1950s under the leadership of Massachusetts Department of Public Works Commissioner John A. Volpe, who later became Governor of Massachusetts and United States Secretary of Transportation. The highway's completion catalyzed the development of the Route 128 corridor, which became a globally significant hub for technology and defense companies following World War II, often compared to Silicon Valley. Firms such as Raytheon, Digital Equipment Corporation, and Analog Devices established headquarters along the route, earning it the nickname "America's Technology Highway."

Major intersections

The southern terminus is a major multi-highway interchange in Canton involving I-95, I-93, and U.S. 1. Other key junctions include the interchange with the Massachusetts Turnpike (I-90) in Weston, and the confluence with I-93 and U.S. 1 at the Braintree Split in Braintree. The northern section intersects with Route 114 in Peabody and Route 127 in Gloucester.

Exit list

Exits are numbered sequentially from south to north. Notable exits include Exit 14 for University of Massachusetts Boston and the John F. Kennedy Library and Museum, Exit 20 for the Massachusetts Turnpike (I-90), and Exit 28 for Route 2 in Lexington. The exit numbering continues through the concurrency with I-95, with major exits for Burlington and Woburn. North of the split with I-95, exits serve communities like Beverly and Manchester-by-the-Sea.

Public transportation

Several stations of the Massachusetts Bay Transportation Authority commuter rail system are accessible from the highway, including stations on the Providence/Stoughton Line, Franklin/Foxboro Line, and Newburyport/Rockport Line. The Riverside station on the Green Line's D Branch is located near the highway in Newton. Bus service along and across the corridor is provided by the MBTA bus system and private carriers, connecting major employment centers like those in Burlington and Waltham.