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List of Interstate Highways in Massachusetts

From Wikipedia, the free encyclopedia

Interstate Highways in Massachusetts
Interstate 90 marker
Interstate 495 marker
Highway marker for I-90 and I-495
Map
Interstate Highways highlighted in red
System information
Maintained byMassDOT
Length565.63 mi[2] (910.29 km)
FormedAugust 14, 1957[1]
Highway names
InterstatesInterstate nn (I-nn)
System links

TheInterstate Highways in Massachusetts comprise five current primaryInterstate Highways and eight auxiliary Interstates. In addition, two auxiliary Interstates were proposed and then cancelled.

The longest Interstate Highway in Massachusetts is I-90 with 136 miles, followed by I-495 with 121 miles.

Several freeway projects in theBoston area planned as part of the Interstate Highway System were cancelled in the 1970s followingcommunity opposition, including theInner Belt (I-695) andSouthwest Expressway (I-95).[3] TheBig Dig megaproject in the 1990s and 2000s, which realigned several highways in Downtown Boston, included a new tunnel for I-93 to replace theCentral Artery and an extension of I-90 via theTed Williams Tunnel.[4]

Primary Interstate Highways

[edit]
NumberLength (mi)[5]Length (km)Southern or western terminusNorthern or eastern terminusFormedRemovedNotes
I-848.1513.12I-84 atUnion, CTI-90 inSturbridge01958-01-01195801971-01-011971Replaced part of formerRoute 15; Replaced byI-86
I-848.1513.12I-84 atUnion, CTI-90 inSturbridge01984-01-011984currentRenumbered back fromI-86
I-868.1513.12I-84 atUnion, CTI-90 inSturbridge01971-01-01197101984-01-011984ReplacedI-84; was later reverted back toI-84
I-89————01956-01-01195601960-01-011960Proposed to replaceUS 7 in original 1956 plan; rerouted prior to construction
I-90135.72218.42I-90 atCanaan, NYRoute 1A inBoston01958-01-011958currentFollows the Massachusetts Turnpike
I-9154.9988.50I-91 atEnfield, CTI-91 atBrattleboro, VT01958-01-011958current
I-9347.0775.75I-95/US 1/Route 128 inCantonI-93 atSalem, NH01957-01-011957current
I-9591.95147.98I-95 atPawtucket, RII-95 atSeabrook, NH01957-01-011957current
I-95E40.7365.55I-95E atE.Providence, RI—01957-01-01195701959-01-011959Replaced byI-195
  •       Former

Auxiliary Interstate Highways

[edit]
NumberLength (mi)[6]Length (km)Southern or western terminusNorthern or eastern terminusFormedRemovedNotes
I-19019.2631.00I-290 inWorcesterRoute 2 inLeominster01983-01-011983current
I-19540.7365.55I-195 atE.Providence, RII-495 atWareham01959-01-011959currentReplaced I-95E
I-29020.1632.44I-395/I-90 inAuburnI-495 inMarlborough01970-01-011970current
I-2915.448.75I-91/US 20 inSpringfieldI-90 inChicopee01972-01-011972currentalso known as the Springfield Expressway
I-2954.236.81I-295 atCumberland, RII-95 inAttleborough01969-01-011969current
I-3914.467.18I-91 inChicopeeHigh Street inHolyoke01970-01-011970current
I-39511.9119.17I-395 atThompson, CTI-290 inAuburn01983-01-011983current
I-495121.56195.63Route 25 inWarehamI-95 inSalisbury01960-01-011960currentSecond longest auxiliary Interstate highway in the United States
I-495 BS2.884.63US 3 inChelmsfordGorham Street inLowell01962-01-011962currentUnsigned; known asLowell Connector; signs were posted at one time on local streets intersecting the Connector
I-695——I-95 inBostonI-93 inCharlestown01957-01-01195701971-01-011971Cancelled before it was constructed
I-895——I-895 atWarren, RII-95 andI-295 inAttleboro01968-01-01196801982-01-011982Cancelled before it was constructed
  •       Former

See also

[edit]

References

[edit]
  1. ^Public Roads Administration (August 14, 1957).Official Route Numbering for the National System of Interstate and Defense Highways as Adopted by the American Association of State Highway Officials August 14, 1957 (Map). Scale not given. Washington, DC: Public Roads Administration. RetrievedNovember 22, 2010 – viaWikimedia Commons.
  2. ^Adderly, Kevin (January 15, 2014)."Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico".Route Log and Finder List.Federal Highway Administration. RetrievedMay 20, 2014.
  3. ^McDonald, Danny (December 5, 2022)."Transformative decision a half-century ago to scrap I-95 extension still resonates in Boston today".The Boston Globe.Archived from the original on December 5, 2022. RetrievedDecember 5, 2022.
  4. ^"The Big Dig: tunnels and bridges".Massachusetts Department of Transportation. RetrievedDecember 5, 2022.
  5. ^Adderly, Kevin (January 15, 2014)."Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2013".Route Log and Finder List. Federal Highway Administration. RetrievedMay 20, 2014.
  6. ^Adderly, Kevin (October 31, 2002)."Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2013".Route Log and Finder List. Federal Highway Administration. RetrievedMay 20, 2014.
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