Massachusetts Route 128

Route 128, known as the Yankee Division Highway, is a state highway in the U.S. state of Massachusetts maintained by the Highway Division of the Massachusetts Department of Transportation (MassDOT). Spanning 57 miles (92 km), it is one of two beltways (the other being Interstate 495) around Boston, and is known as the "inner" beltway, especially around areas where it is 15 miles (25 km) or less outside of Boston. The route's current southern terminus is at the junction of I-95 and I-93 in Canton, and it is concurrent with I-95 around Boston for 37.5 miles (60.4 km) before it leaves the interstate and continues on its own in a northeasterly direction towards Cape Ann. The northern terminus lies in Gloucester a few hundred feet from the Atlantic Ocean. All but the northernmost 3 miles are a freeway, with the remainder being a expressway. Its concurrency with I-95 makes up most of its length.

Route 128 marker

Route 128

Yankee Division Highway
Route 128 highlighted in red
Route information
Maintained by MassDOT
Length57.5829 mi[1] (92.6707 km)
Existed1927–present
Major junctions
South end I-93 / I-95 / US 1 in Canton
Major intersections
North end Route 127A in Gloucester
Location
CountryUnited States
StateMassachusetts
Counties
Highway system
← Route 127A→ Route 128A

Originally designated in 1927 along a series of surface streets, Route 128 provided a circumferential route around the city of Boston. The original route extended from the seaport of Gloucester, on the North Shore, to the beach resort community of Hull on the South Shore. Construction of the present circumferential highway began in Gloucester in the early 1950s and progressed southward, in part on new alignments and in part by the improvement of older roads, and came to completion with the final link into the Southeast Expressway (Massachusetts Route 3/John Fitzgerald Expressway/Pilgrim Highway) at a three-way flying junction known as the Braintree Split. With the completion of the final segment of the Yankee Division Highway in Braintree in 1960, the segment of Route 128 through Braintree, Weymouth and Hingham was rerouted to run concurrently with Route 3 on the Southeast Expressway/Pilgrim Highway between the Braintree Split (Route 3 Exit 42 (old exit 19), Route 128 exit 67) and Exit 35 (old exit 14), then along Pond Street in Norwell to Queen Anne's Corner on the Hingham-Norwell line, retaining its original route from Queen Anne's corner to its terminus in Hull. Subsequent upgrades on the northern segment in the 1960s completed a full freeway from Braintree in the south to Gloucester in the north.

Over time, the southern terminus was truncated twice.

  • Circa 1965, a policy of limiting each road to one route number led to a decision to drop the designation of Route 128 from the Southeast Expressway and to redesignate the orphaned segment from Exit 35 (old exit 14) of the Southeast Expressway to the terminus in Hull as Route 228 - but with its designated directions reversed to reflect the actual geographical direction of the new route. This shifted the southern terminus of Route 128 to the Braintree Split.
  • Circa 1997, the same policy led to removal of the designation of Route 128 from the segment of the Yankee Division Highway between the Braintree Split and the junction with the southern segment of I-95 in Canton, which had been designated as I-93. (This plan also would have removed the designation of Route 128 from the segment between the junction with the southern segment of I-95 in Canton and the junction with the northern segment of I-95 in Peabody; however, this was rescinded because it would have orphaned the Route 128 railroad station, on the border of Westwood and Dedham, and adjacent to the portion of the highway just to the northwest of the Canton interchange.) However, that segment retains the "Yankee Division Highway" name.

However, twenty years later, the entire segment of the highway is still called "Route 128" even in traffic reports on radio and television in local parlance, often causing considerable confusion for uninitiated visitors to the area.

In local culture, "Route 128" is generally recognized as the demarcation between the more-urban inner suburbs and the less-densely-developed suburbs surrounding the city of Boston. It also approximately delimits the region served by the rapid transit and trolley system operated by the Massachusetts Bay Transportation Authority (MBTA),[lower-alpha 1] and is used to reference the high-technology industry that developed from the 1960s to the 1980s in the suburban areas along the highway.[2]

Route description
Since 1997, Route 128's southern end has been in Canton, where Interstate 95 exits southwestward on its own roadbed, and Interstate 93 north begins. U.S. Route 1 north continues straight.

Route 128 begins in the south in Norfolk County, at the interchange with I-93, I-95, and US 1 in Canton. It immediately begins as a highway. Until the 1990s, its southern terminus was located at the junction of I-93, US 1, and Route 3 (the Braintree Split) in Braintree. At this present-day terminus, 128 is concurrent with I-95, and follows the mileage-based exit numbering scheme used by I-95 as it enters Massachusetts from Pawtucket, Rhode Island. It also begins a wrong-way concurrency with US 1; as 128 and I-95 are signed traveling north, US 1 is signed traveling south, and vice versa. US 1 splits onto its own roadbed at exit 29 (old exit 15) in Dedham.

In response to the outcome of the 1970 Boston Transportation Planning Review, Massachusetts focused federal highway funding on public mass transportation rather than building new highways through Boston and the inner suburbs ("inside of Highway 128"), cancelling plans for completion of a northeast Expressway and construction of a southwest Expressway to carry I-95 through downtown Boston. This policy cascaded into designation of the segment of the Yankee Division Highway between the existing I-95 junction in Canton and the new I-95 junction in Peabody as I-95 rather than building a new highway to complete the connection, coupled with a decision to extend I-93 southward along the Central Artery and John Fitzgerald Expressway and onto the southern end of the Yankee Division Highway to the I-95 junction in Canton. After completion of the I-95/Highway 128 interchange in Peabody in 1988, the State Highway Department changed the numbers of all exits south of the newly completed junction to those of the respective interstate highway designations. Since then, the highway has had three sets of exit numbers: I-93 exits 7 through 1 from the southern terminus to the I-95 junction in Canton, I-95 exits 26 through 64 (old exits 12 through 45) from the I-95 junction in Canton to the I-95 junction in Peabody, and the original Route 128 exits 37 through 55 (old exits 29 through 12) from the I-95 junction in Peabody to the northern terminus. The interchange with I-93 in Woburn, which was Route 128 Exit 37 before the renumbering, became I-93 Exit 37 (now exit 28) in the renumbering and thus coincidentally retained its number until the switchover with the mileage-based system in 2021. Along with other highways in the Commonwealth, exits were renumbered with a mileage-based system in 2021.[3]

As a result of this political decision, about two thirds of Route 128 runs in tandem with I-95 from Canton north to Peabody, and after I-95 splits off and continues north from Peabody toward New Hampshire, northward on its own right of way from Peabody to Gloucester. The I-95 and I-93 signage were added in the mid-1970s when plans to construct I-95 through Boston, directly connecting the two I-95/Highway 128 interchanges, were cancelled leaving a gap filled using 128. An unused cloverleaf in Canton, partially removed circa 1977, was one of the leftover structures from this plan as well as the existing expressway (part of US 1 since 1989).

The decision to reroute I-95 onto Highway 128 rather than building a new highway inside of 128 has contributed to three significant problems.

  • At the junction in Canton, I-95 northbound uses the original cloverleaf, which is fairly tight, to transition from the southern segment to the Yankee Division Highway. More than a few unsuspecting truckers have entered the cloverleaf at full highway speed and thus managed to flip over their rigs. As a result, the cloverleaf has been referred to as "Dead Man's Curve" to locals.
  • The I-95 overhead traffic also has become a major contributor to congestion on the segment of the highway known as I-95.
  • The Southeast Expressway, as the only highway coming into Boston from the south, carries more than double its capacity on a daily basis. The highway is prone to some of the worst traffic in the region, as all traffic from south of the city (coming from three different highways) must merge onto this one route.
The north end of Route 128 is at Route 127A in Gloucester. The sign pointing Route 127A south straight is incorrect; it is actually to the right, where the sign points "ALT 127".

The area along the western part of Highway 128 is home to a number of high-technology firms and corporations. This part of 128 was dubbed "America's Technology Highway", and signs marking it that way were put in place beginning in October 1982. Two years later, those blue signs were changed to read "America's Technology Region" after complaints from veterans groups that noted the highway already had a name: the Yankee Division Highway,[4] a name bestowed in 1941 in honor of the U.S. Army unit first formed in Boston in 1917.[5]

The political decision not to build new highways inside of Route 128 also led to abandonment of plans to extend the limited access divided highway U. S. Route 3 from its current interchange with the Yankee Division Highway in Burlington to a junction with Route 2 in Lexington as originally planned. This decision caused a temporary reroute of U. S. Route 3 onto the Yankee Division Highway, but in the opposite direction, to connect with its original route, one interchange to the north of the current junction, to become permanent.

The segment of the highway that still carries the sole designation as Route 128, which is four lanes of limited access divided highway for most of its length, was not originally built as a limited access divided highway. Many junctions in this segment were constructed as signaled intersections at grade in the 1950s and subsequently reconstructed with grade separation and interchanges in the 1960s - often with local streets that happened to be in convenient locations doubling as ramps for access to the highway. However, four junctions nearest the northern end in the town of Gloucester were not improved. Proceeding in the direction signed as northward beyond Exit 55 (old exit 12) (the interchange with Crafts Road), the route runs eastward through two rotaries, named Grant Circle (intersection with Washington Street) and Blackburn Circle (intersection with Dory Road going northward and Schoolhouse Road going southward) and another intersection at Route 127 (Eastern Avenue) to its terminus in another intersection at Route 127A (East Main Street/Bass Avenue).[6] Additionally, the segments from Blackburn Circle to Route 127 and from Route 127 to Route 127A, a distance of 1.2 miles, have no divider.

A metropolitan planning organization for the Boston area studied the Route 128/I-95 Corridor from approximately 2005–2010. The study focused on the heavily congested section from I-90 (Newton) to US 3 (Burlington), and was completed in November 2010. As of 2010, the highway carried over 200,000 vehicles per day. Some possible improvements to Highway 128 include HOV Lanes, reconstruction of shoulders, ramp metering, bus on shoulder, and fiber optic traffic system improvements. More studies will need to be completed before projects will begin.

History

Surface roads and south Circumferential Highway

As designated in 1927, the original Route 128, called the "Circumferential Highway," followed existing roadways from Gloucester to Hull through Boston's suburbs. The first (northernmost) segment of the present controlled-access highway, which is still just four lanes wide, opened in 1951.[7] Construction progressed southward. The final (southernmost) segment, originally built as the present eight-lane highway that spliced into the John Fitzgerald Expressway (then Route 3 for its entire length, and popularly also known as the Southeast Expressway) at a wye junction now known as the Braintree Split in Braintree. This segment, which opened in 1960, replaced a two-lane undivided road to complete the first circumferential highway around any major city.

Upon completion of the final segment of the Yankee Division Highway, the agency then known as the Massachusetts Highway Department (subsequently reorganized the Highway Division of the Massachusetts Department of Transportation) assigned the concurrent designation of Route 128 to the segment of the Southeast Expressway (Route 3) from Exit 35 (old exit 14) to the Braintree Split (Exit 42, old exit 19), linking to the segment of the original Route 128 from the intersection with Route 53 at Queen Anne's Corner at the Hingham-Norwell line to the southern terminus in Hull. That action removed the designation as Route 128 from Blue Hill River Road in Randolph and Braintree, which is now closed to traffic, and West Street, Franklin Street, segments of Washington Street and Plain Street, and Grove Street in Braintree, a segment of Columbian Street, Park Avenue, and a segment of Ralph Talbot Street in Weymouth, and Derby Street and a segment of Whiting Street (Route 53) in Hingham, all of which remain in service for local traffic. However, fate was not so kind to the rest of the original route. Although some segments of remain in service as local parallel streets, other segments became part of the present right of way, but with connections severed at both ends, and some segments were severed where they cross the present right of way and even closed if no longer used by local traffic. Thus, it is no longer feasible to drive the original route between Braintree and Gloucester.

In 1965, the Massachusetts Highway Department truncated Route 128 at the Braintree Split and redesignated the non-freeway section of Route 128 from Route 3 through Hingham and Hull as Route 228, with its direction reversed to reflect the actual geographical direction of that segment of the route. This action ended the concurrent route designation on the John Fitzgerald Expressway.

In the wake of a political decision not to complete the Northeast Expressway and to construct a Southwest Expressway to connect I-95 through Boston as originally planned, the United States Department of Transportation and the Massachusetts Highway Department redesignated the segment of the Yankee Division Highway between the junction with the completed segment of I-95 from Peabody to the New Hampshire border and the junction with the completed segment of I-95 from Canton to the Rhode Island border as I-95 to complete that highway. Concurrently, these agencies extended I-93 from its original terminus in Boston southward on the John Fitzgerald Expressway to the Braintree Split, then westward on the southern segment of the Yankee Division Highway to the junction with the completed southern segment of I-95 from Canton. At that time, the Massachusetts Highway Department officially truncated Route 128 at its intersection with I-95 in Peabody, began removal of Route 128 signage, and assigned I-93 and I-95 exit numbers to the interchanges on both affected segments of the Yankee Division Highway. The Massachusetts Highway Department subsequently restored the designation of Route 128 and reinstalled signage on the segment of the Yankee Division Highway designated as I-95, partly in response to public protest and partly due to the fact that an Amtrak and MBTA commuter rail station adjacent to the highway at the University Avenue interchange in Canton bears the name Route 128 (RTE on the railroad timetables and in the Amtrak reservation system). The station is located at the first interchange north of the junction of I-93 and I-95 in Canton.

Despite no longer officially carrying the designation, the section of the Yankee Division Highway between Braintree and Canton is popularly called Route 128 within Massachusetts.[8] However, signage for Route 128 has gradually disappeared from the segment designated as I-95 as the Massachusetts Department of Transportation has replaced signage along that segment of the road and on the intersecting roads.

At its current southern terminus, Route 128 begins running concurrently with I-95 (same direction) and US 1 (opposite direction). While its concurrency with US 1 ends in Dedham, its concurrency with I-95 continues as it intersects with expressways including I-90 (the Massachusetts Turnpike) in Weston; US 20 in Waltham; Route 2 in Lexington; US 3 in Burlington (with which it runs concurrently within the town); and I-93 and US 1 again in Reading and Lynnfield, respectively. 128 and I-95 split in Peabody; as I-95 continues north towards New Hampshire, 128 travels east towards its northern terminus at an interchange with Route 127A in Gloucester.

Route 128 was assigned by 1927[9] along local roads, running from Route 138 in Milton around the west side of Boston to Route 107 (Essex Street or Bridge Street) in Salem. Its route was as follows:

Town/City Streets
Milton Milton Street
Boston Neponset Valley Parkway, Milton Street
Dedham Milton Street, High Street, Common Street, West Street
Needham Dedham Avenue, Highland Avenue
Newton Needham Street, Winchester Street, Centre Street, Walnut Street, Crafts Street, Waltham Street
Waltham High Street, Newton Street, Main Street (U.S. Route 20), Lexington Street
Lexington Waltham Street, Massachusetts Avenue (Route 2A, current Route 4/Route 225), Woburn Street
Woburn Lexington Street, Pleasant Street, Montvale Avenue
Stoneham Montvale Avenue, Main Street (Route 28), Elm Street
Wakefield Albion Street, North Avenue, Water Street, Vernon Street, New Salem Street, Salem Street
Lynnfield Salem Street
Peabody Lynnfield Street, Washington Street, Main Street
Salem Boston Street

By 1928, it had been extended east to Quincy from its south end along the following streets, ending at the intersection of Route 3 and Route 3A (current Route 3A and Route 53):[10]

Town Streets
Quincy Washington Street, Hancock Street, Adams Street
Milton Adams Street, Centre Street, Canton Avenue, Dollar Lane

The first section of the new Circumferential Highway, in no way the freeway that it is now, was the piece from Route 9 in Wellesley around the south side of Boston to Route 3 (current Route 53) in Hingham. Parts of this were built as new roads, but most of it was along existing roads that were improved to handle the traffic. In 1931, the Massachusetts Department of Public Works acquired a right-of-way from Route 138 in Canton through Westwood, Dedham and Needham to Route 9 in Wellesley. This was mostly 80 feet (24 m) wide, only shrinking to 70 feet (21 m) in Needham, in the area of Great Plain Avenue and the Needham Line. Much of this was along new alignment, but about half — mostly in Needham — was along existing roads:

  • Royall Street from west of Route 138 to east of Green Street (Canton)
  • Green Lodge Street from Royall Street (cut off by Route 128) to Route 128 Station (Canton and Westwood)
  • Greendale Avenue from Lyons Street and Common Street just south of the Charles River to Hunting Avenue (Dedham and Needham)
  • Fremont Street north from Highland Avenue (Needham)
  • Reservoir Street from Central Avenue to Route 9 (Needham and Wellesley)[11]

From Route 138 in Canton east through the Blue Hills Reservation in Canton, Milton, Quincy and Braintree, Norfolk County acquired a right-of-way in 1927[12] and built the Blue Hill River Road. This tied into West Street in northwest Braintree, which itself had been taken over by the county in 1923.[13]

West Street led to Route 37, which ran southeast to Braintree center. This part of Route 37 had been taken over by the state in 1919 (to Braintree center)[14] and 1917 (in Braintree center).[15]

The rest of the new highway, from Route 37 east to Route 3 (now Route 53), through Braintree, Weymouth and Hingham, was taken over by the state in 1929. This was all along existing roads, except possibly the part of Park Avenue west of Route 18 in Weymouth.[16]

By 1933,[17] the whole Circumferential Highway had been completed, and, except for the piece from Route 9 in Wellesley south to Highland Avenue in Needham, was designated as Route 128. Former Route 128 along Highland Avenue into Needham center was left unnumbered (as was the Circumferential Highway north of Highland Avenue), but the rest of former Route 128, from Needham center east to Quincy, became part of Route 135. Thus the full route of the Circumferential Highway, as it existed by 1933, is now the following roads:

Town Streets
Hingham Derby Street (realigned during construction of Massachusetts Route 3, with two segments of original alignment becoming Old

Derby Street))

Weymouth Ralph Talbot Street, Park Avenue, Columbian Street
Braintree Columbian Street, Grove Street, Washington Street (Route 37), Franklin Street (Route 37), West Street,
Blue Hill River Road (now closed) (see Quincy)
Quincy Blue Hill River Road (now closed; current highway uses its right-of-way)
Milton Blue Hill River Road, Hillside Street
Canton Blue Hill River Road, Royall Street, Green Lodge Street (cut by the Route 128/Interstate 95 interchange)
Westwood Blue Hill Drive (cut by Route 128 Station, and later upgraded on the spot as northbound Route 128)
Dedham and Westwood upgraded on the spot as northbound Route 128 (under U.S. Route 1) and then mostly in the median
Needham Greendale Avenue, Hunting Road, southbound Route 128 under Highland Avenue, Reservoir Street
Wellesley inside the present Route 9 interchange
Cars stuck in snow on Route 128 near Needham, Massachusetts during the Blizzard of '78.

At the same time as Route 128 was extended along the new Circumferential Highway, it was extended further into Hull. This alignment, not part of the Circumferential Highway, ran southeast on Route 3 (now Route 53) (Whiting Street) to the border of Hingham and Norwell, where it turned north on present Route 228 (Main Street) through Hingham and into Hull. The exact route through Hingham was Main Street, Short Street, Leavitt Street, East Street, and Hull Street. The end of the numbered route was at the south end of Nantasket Beach, where Nantasket Avenue curves northwest to follow the shore of Massachusetts Bay.[18]

"America's Technology Highway"

In 1955, Business Week ran an article titled "New England Highway Upsets Old Way of Life" and referred to Route 128 as "the Magic Semicircle". By 1958, it needed to be widened from four to six lanes, and business growth continued, often driven by technology out of Harvard University and MIT.[19] In 1957, there were 99 companies employing 17,000 workers along 128; in 1965, 574; in 1973, 1,212. The development of college-like suburban campuses and marketing to technology companies was intentional on the part of real estate developers such as Gerald W. Blakeley Jr.[20] In the 1980s, the area was often compared to California's Silicon valley,[21][22] and the positive effects of this growth on the Massachusetts economy were dubbed the "Massachusetts Miracle".

Major companies or research facilities with significant locations in the broader Route 128 area prior to 2000 included:

Future and improvements

Add-A-Lane project

The $315 million MassDOT Highway Division project has widened the existing 14.3-mile (23.0 km) six-lane section of highway to eight lanes from north of Route 9 in Wellesley to Route 24 in Randolph. The project consists of adding a lane on the inside of each carriageway, complete with a 10-foot inside shoulder. The existing 1950s bridges, 22 in total, also were replaced. The project also included construction of a new two-lane ramp from Route 128 to I-95 in Canton and installation of a new interchange at Kendrick Street in Needham, designated as Exit 35 A (old exit 19A) with the ramps to Highland Avenue become Exits 35 B and 35 C (old exits 19B and 19C).

During the initial construction of Route 128, a provision had already been made for a fourth lane within the widely spaced median along the 1.5-mile (2.5 km) length of Route 128 running from just north of the U.S. Route 1 interchange in Dedham, Massachusetts, north-westwards to the Route 109 interchange, and this will finally be used for the Add-A-Lane project.

Construction on phase 1 was officially completed in October 2009. Construction of phase 2 of the project began in summer 2006. This phase of the project consisted of the replacement of the Route 1 and Route 1A bridges over Route 128 in Dedham along with the road widening between Exits 27 and 29 (old exits 13 and 15) (US 1). Construction of four sound barriers between the US 1 and I-95 interchanges were also included. This phase was completed in the Spring of 2011.

Construction on phase 3, begun in April 2009, widened I-93/US 1 to 4 lanes in each direction from Route 24 to the I-95 interchange. Phase 4 of the Project, which began in March 2011, is replacing seven bridges and widens Route 128 (I-95) to four lanes in each direction from Route 109 to south of Highland Avenue in Needham. The southeastern freeway (Pilgrims Highway) that extends from Braintree to Cape Cod, MA Route 3, is also in the process of undergoing a similar "add-a-lane" project for much of its own 42 mile length.

Construction on the sixth and final[23] segment in Needham and Wellesley began in January 2015, and included wider bridges and more auxiliary lanes and a new collector road.[24] Major road construction ended in October 2018, and the project wrapped up with painting and landscaping in the spring of 2019.[25]

Sign upgrade projects on Route 128

Over the last fifteen or so years, the state has funded a number of highway sign resigning projects on Route 128 that are replacing the 25-year-old signs with new exit, regulatory and route signs. Starting in 1998 and continuing through 2002, signs were replaced through a $1.1 million project between Reading and Lynnfield. Progress continued in 2005 and 2006 during a $2.2 million project which replaced the signs on from Peabody to Gloucester, and continued with a $1.4 million project in 2008 and 2009 that replaced signs in Peabody and the remaining ones in Lynnfield. A $2.9 million federal stimulus project helped replace exit and highway signs in 2010 and 2011 along Route 128 (I-95) from US-3 in Lexington to I-93 in Reading.

A project begun in the Fall of 2012 and completed in the Fall of 2015, replaced exit & guide signs on Route 128 from Route 9 (Exit 36, old exit 20) in Wellesley to Routes 4/225 (Exit 49, old exit 31) in Lexington and, as part of the Add-A-Lane project discussed above, new signs were put up along section of the project completed in 2015 from Great Plain Avenue in Needham to Route 109 in Dedham.[26] New signage was put up between I-95 and US 1 in 2010 and most of the signage between I-95 and Route 24 (on I-93/US 1) has been replaced by the end of 2011. Future projects will replace the signs between the Rhode Island Border and I-93 in Canton in 2018 and between I-93 in Reading and US 1 in Peabody in 2019. New mileage markers were placed every 2/10 of a mile along the highway in 2010 (except for the area covered by the widening project) for I-93 between Braintree and Canton and I-95 from Canton to Peabody. New markers put along Route 128 from Peabody to Gloucester reflect the state highway's total mileage from Canton, indicating MassDOT's change of heart in decommissioning the route where it shares the road with I-95. The previous mile markers (reflected in the exit list below) had mile 0 in Peabody.

Monorail proposal

In 2015, the mayor of the City of Waltham, Jeannette McCarthy, noted that traffic is exceeding the capacity of Route 128 and proposed that communities located along the highway jointly consider a plan of establishing a form of monorail to add further mass transit options to businesses along the Route 128 corridor.[27][28]

Exit list

The exit number along the I-93 portion of the Yankee Division Highway, indicated by an asterisk in the table below because that segment of the highway is no longer officially part of Route 128, are in accordance with Interstate 93 exit numbering scheme in Massachusetts. Exit numbers along the I-95 portion of Route 128 are in accordance to the I-95 exit numbering scheme in Massachusetts. The stretch north of I-95, as well as the rest of the length before I-95 exit numbering was applied, previously had decreasing exit numbers traveling northbound, contrary to almost all highways in the US with numbered exits. Route 128 currently has 18 numbered interchanges, which previously started at 37 (old exit 29) (southbound) and continued downwards to old exit 9 (former Exit 27, an at-grade intersection, was removed, and the last two exits are at-grade intersections). However, upon Massachusetts switching to mileage-based exit numbers, the exit numbers now abide by standard numbering rules.[29][30] The new numbers along the stretch of highway north of I-95 increase from 37 in Peabody to 55 in Gloucester, with the traffic circles and at-grade intersections no longer receiving numbers.[31] On January 27, 2021, MassDOT announced that renumbering the exits along Route 128 will start on February 3 and will go on for two weeks, but it was delayed until February 11 due to weather and a delay on renumbering the exits along US Route 3.[32]

CountyLocationmikmOld exitNew exitDestinationsNotes
NorfolkCanton0.00.0121*
26


 I-93 north / US 1 north / I-95 south – Boston, Providence, RI		Southern terminus of I-95 / US 1 concurrency
I-95 Southbound "Exit 26 (old exit 12)" is continuation of Yankee Division Highway as I-93 / US 1 North rather than I-95 ramp; Exit numbers follow I-95
Dedham0.60.971327 University Avenue – MBTA / Amtrak Station
Westwood1.93.11428East Street / Canton Street
Dedham2.64.21529

 US 1 south to Route 1A – Norwood, Dedham		Northern terminus of US 1 concurrency; signed as exits 29A (Route 1A) and 29B (US 1)
4.16.61631 Route 109 – Dedham, WestwoodSigned as exits 31A (east) and 31B (west)
5.69.01732
 Route 135 west – Needham, Natick		Norfolk County Correctional Center is in the median of Route 128; eastern terminus of Route 135
Needham6.09.71833Great Plain Avenue – West Roxbury
8.814.21935Kendrick Street / Highland Avenue – Newton Highlands, NeedhamSigned as exits 35A (Kendrick), 35B (Newton Highlands) and 35C (Needham)
Wellesley9.915.92036 Route 9 – Brookline, Boston, Framingham, WorcesterSplit into exits 36A (east) and 36B (west)
MiddlesexNewton11.218.02137 Route 16 – Newton, WellesleySigned as exits 37A (east) and 37B (west) southbound
11.618.72238Grove Street – MBTA Station
Weston12.019.323–Recreation RoadNorthbound exit and entrance; planned to be closed within the next two years as part of a proposed development project
12.3–
12.5		19.8–
20.1		24-2539
 I-90 Toll / Mass Pike / Route 30 – Boston, Albany, NY, Newton, Weston		Signed as exits 39A (Route 30) and 39B (I-90); exit 123A on I-90 / Mass Pike
Waltham14.523.32641 US 20 – Waltham, WestonTo Route 117
16.326.22743Third Avenue / Totten Pond Road / Winter StreetNorthbound signage - exits 43A (Third) and 43B (Totten Pond/Winter)
Southbound signage - exits 43A (Totten Pond/Third) and 43B (Winter)
17.628.32844Trapelo Road – Belmont, LincolnSigned as exits 44A (Belmont) and 44B (Lincoln) northbound
Lexington18.529.82945 Route 2 – Cambridge, Boston, Acton, FitchburgSigned as exits 45A (east) and 45B (west); exits 127A-B on Route 2
19.631.53046 Route 2A – East Lexington, ConcordSigned as exits 46A (east) and 46B (west); to Hanscom Field via exit 46B
21.835.13149 Route 4 / Route 225 – Lexington, BedfordSigned as exits 49A (south/east) and 49B (north/west)
Burlington23.1–
23.4		37.2–
37.7		3250
 US 3 north / Middlesex Turnpike – Lowell, Nashua NH, Burlington		Southern terminus of US 3 wrong-way concurrency; signed as exits 50A (US 3) and 50B (Middlesex); exits 72A-B on US 3
24.839.93351

 US 3 south / Route 3A north – Winchester, Burlington		Northern terminus of US 3 concurrency; signed as exits 51A (south) and 51B (north)
25.741.43452Winn Street – Woburn, Burlington
Woburn26.843.13553 Route 38 – Woburn, Wilmington
28.445.73654Washington Street – Woburn, Reading
Reading28.846.33755 I-93 – Boston, Concord, NHSigned as exits 55A (south) and 55B (north); exits 28A-B on I-93
29.647.63856 Route 28 – Stoneham, ReadingSigned as exits 56A (south) and 56B (north)
Wakefield30.849.63957North Avenue – Reading, Wakefield
31.650.94058 Route 129 – Wakefield Center, Wilmington
EssexLynnfield32.352.04159Main Street – Lynnfield Center, Wakefield
MiddlesexWakefield33.954.64260Salem Street – Wakefield
EssexLynnfield34.555.54361Walnut Street – Saugus, Lynnfield
35.957.84463 US 1 / Route 129 – Boston, DanversSigned as exits 63A (south/west) and 63B (north/east) northbound; Route 129 not signed southbound
Peabody37.560.445 (NB)
29 (SB		64 (NB)
37 (SB)
 I-95 north – Portsmouth, NH		Northern terminus of I-95 concurrency
38.461.82838Forest Street / Centennial Drive
39.062.82639Lowell Street – Peabody Square, Salem
39.763.92540 Route 114 / North Shore Mall Road / Lowell Street – Salem, Middleton, West PeabodySigned as exits 40A (east) and 40B (west)
Danvers40.465.02441Endicott Street
41.266.32342 Route 35 – Salem, Danvers
41.867.32243 Route 62 – Beverly, Middleton
42.568.42144Trask Lane – Folly HillNorthbound exit and southbound entrance
2144Conant Street – Industrial ParkSouthbound exit and northbound entrance
Beverly43.570.02045 Route 1A – Beverly, HamiltonSigned as exits 45A (south) and 45B (north)
44.271.11946Sohier Road / Brimbal Avenue – Montserrat, North BeverlyNo direct access from Route 128 south to Sohier Road
45.372.91847 Route 22 – Essex, BeverlyExit ramps are known as Old Essex Street, which are two-way residential streets that were once Route 22 before Route 128 was completed
Wenham47.476.31748Grapevine Road – Beverly Farms, Wenham
Manchester48.978.71649Pine Street – Manchester, Magnolia
50.481.11550School Street – Essex, Manchester
Gloucester53.586.11453 Route 133 – West Gloucester, Essex
54.287.21354Concord Street – Wingaersheek Beach
54.888.21255Crafts Road – Rust Island
56.090.1Northern end of freeway section
11–
 Route 127 south (Washington Street) – Gloucester, Annisquam		Grant Circle; northern terminus of Route 127
56.891.4–-Dory Road / Gloucester School RoadBlackburn Circle
57.692.710- Route 127 (Eastern Avenue) – Manchester, RockportAt-grade intersection
57.893.09- Route 127A – Rockport, Bass Rocks, Eastern PointAt-grade intersection
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Notes
  1. In practice, however, the MBTA's heavy-/light-rail network approaches or reaches Route 128 in only two places, with most of its lines terminating far within the beltway; former plans to extend more rapid-transit lines outwards to the vicinity of Route 128 were scuttled by local NIMBYs or lack of funding.

References
  1. Executive Office of Transportation, Office of Transportation Planning - 2005 Road Inventory
  2. "MassMoments: Route 128 Opens Boston's High-Tech Age." Massachusetts Foundation for the Humanities. Accessed 05-18-2010.
  3. "New MassDOT Exit Renumbering".
  4. Voorhis, Scott Van. "How 'bout a sign for the times?". Boston.com. Retrieved 2018-09-18.
  5. "1941 Senate Bill 0387. An Act Designating A Certain Highway As The Yankee Division Highway". Massachusetts. General Court. Senate. 1941. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: others (link)
  6. Google Map of this segment
  7. Herwick III, Edgar (August 28, 2015). "Route 128, Once Known As 'Road To Nowhere,' Had A Traffic Jam The Day It Opened". WGBH. Retrieved June 5, 2017.
  8. Chesto, John (August 13, 2012). "Despite federal and state agencies' efforts, a road by any other name is still Route 128". Wicked Local. GateHouse Media. Archived from the original on September 9, 2015. Retrieved June 5, 2017.
  9. 1927 Rand McNally Boston and vicinity map
  10. 1928 map of numbered routes in Boston and vicinity, prepared by the Massachusetts Department of Public Works for the New England Affairs Bureau, Boston Chamber of Commerce
  11. MassHighway state highway layout plans:
  12. MassHighway state highway layout plan 3960 Archived 2006-05-24 at the Wayback Machine
  13. MassHighway state highway layout plan 6741 Archived 2006-05-24 at the Wayback Machine
  14. MassHighway state highway layout plan 1823 Archived 2006-09-07 at the Wayback Machine (June 24, 1919)
  15. MassHighway state highway layout plan 1765 Archived 2006-09-07 at the Wayback Machine (September 4, 1917)
  16. MassHighway state highway layout plans:
  17. 1933 General Drafting Boston and vicinity map
  18. 1937 Massachusetts Department of Public Works map of Hull
  19. "Technically, It's Still Route 128" Archived 2013-02-12 at the Wayback Machine, route128history.org
  20. Bryan Marquard (6 July 2021). "Gerald W. Blakeley Jr., visionary developer of Boston's 'high-tech highway,' dies at 100". The Boston Globe.
  21. "BOSTON'S ROUTE 128: COMPLEMENTING SILICON VALLEY", August 1997, Businessweek
  22. "Route 128: Birthplace of the Digital Age" Archived 2013-06-28 at archive.today, July 6, 2010, http://bizcloudnetwork.com Archived 2013-05-09 at archive.today
  23. MassDOT. "Needham-Wellesley I-95 Add-A-Lane". Archived from the original on 2019-08-27.
  24. MassDOT's Add-A-Lane Project in Needham Will Improve Traffic Flow
  25. Adam Vaccaro (October 26, 2018). "The long and grueling Add-a-Lane project on Route 128 is almost over". The Boston Globe.
  26. See photos of the new signage on the I-95 in Mass. Photo Page
  27. Acitelli, Tom (March 22, 2016). "Five Boston Transportation Projects That Need to Hurry Up and Arrive". Curbed. Vox Media, Inc. Retrieved October 3, 2019.
  28. Rosenberg, Steven A. (January 4, 2015). "Brockton, Lawrence, Waltham have development wish list for Charlie Baker". The Boston Globe. Retrieved October 3, 2019.
  29. Commonwealth of Massachusetts (2015). "COMMBUYS - Bid Solicitation FAP# HSIP-002S(874) Exit Signage Conversion to Milepost-Based Numbering System along Various Interstates, Routes and the Lowell Connector". Retrieved January 6, 2016.
  30. "Massachusetts Highways Exit Lists". Robert H. Malme. Retrieved January 18, 2017.
  31. Robert H. Malme (2015). "MA 128 Exit List". Retrieved January 18, 2017.
  32. "Exit renumbering project moves to part of Route 128 in February". January 27, 2021.

Bibliography
  • Susan Rosegrant, David R. Lampe, Route 128: Lessons from Boston's High-Tech Community, Basic Books, 1992, ISBN 0465046398. The story of the Boston high-tech industry, starting from its 19th-century roots.
  • Alan R. Earls, Route 128 and the Birth of the Age of High Tech, Arcadia Publishing, 2002, ISBN 9780738510767
  • AnnaLee Saxenian, Régional Advantage: Culture and Competition in Silicon Valley and Route 128 Harvard University Press, 1994, ISBN 9780674753396
  • Yanni Tsipis, David Kruh, Building Route 128, Arcadia Publishing, 2003, ISBN 9780738511634
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