I-495 shield, large from wikimediaI-495 in MA Exit List

121 Miles, From I-195 to I-95 near NH Border

Interchange

Milepost

Current Exit Number

Proposed Exit Number

 I-195 shield from wikimedia West - New Bedford, Providence, RI (SB)

0.1

1

0

 MA 58 shield from wikimedia North - Carver, Plymouth

2.5

2

2

 MA 28 shield from wikimedia - Rock Village, South Middleborough

7.6

3

8

 MA 105 shield from wikimedia - Middleborough Center, Lakeville

12.1

4

12

 MA 18 shield from wikimedia North - Bridgewater, Plymouth

14.3

5A

14A

 MA 18 shield from wikimedia South - Lakeville, New Bedford

14.3

5B

14B

 US 44 shield from wikimedia - Taunton, Middleborough, Plymouth

14.7

6

15

 MA 24 shield from wikimedia North - Boston

19.0

7A

19A

 MA 24 shield from wikimedia South - Fall River

19.2

7B

19B

 MA 138 shield from wikimedia - Stoughton, Taunton

21.7

8

22

 Bay St - Taunton, Easton

24.5

9

25

 MA 123 shield from wikimedia - Norton, East Mansfield, Easton

26.9

10

27

 MA 140 shield image from wikimedia South - Norton 

29.9

11

30

 MA 140 shield image from wikimedia North - Mansfield

29.9

12

31

 I-95 shield image from wikimedia North - Boston

32.9

13A

33A

 I-95 shield image from wikimedia South - Providence, RI

32.9

13B

33B

 US 1 shield from mediawiki North - Wrentham

35.6

14A

36A

 US 1 shield from mediawiki South - North Attleborough

35.6

14B

36B

 MA 1A shield from wikimedia - Wrentham, Plainville

37.6

15

38

 King St - Franklin, Woonsocket, RI

41.0

16

41

 MA 140 shield from wikimedia - Franklin, Bellingham

43.2

17

43

 MA 126 shield from wikimedia - Medway, Bellingham

45.8

18

46

 MA 109 shield from wikimedia - Milford, Medway, Uxbridge

48.3

19

48

 MA 85 shield from wikimedia - Milford, Hopkinton, Uxbridge

50.2

20

50

 W. Main St - Hopkinton

54.2

21A

54A

 W. Main St - Upton, Northbridge

54.2

21B

54B

 I-90 shield image from wikimedia Mass Pike - Boston, Albany, NY

57.9

22

58

 MA 9 shield from mediawiki East - Framingham

59.4

23A

59A

 MA 9 shield from mediawiki West - Worcester

59.4

23B

59B

 Simarano Ave - Marlborough, Southborough

61.8

23C

62

 US 20 shield from mediawiki East - Northborough

63.2

24A

63A

 US 20 shield from mediawiki West - Marlborough

63.2

24B

63B

 To MA 85 shield from wikimedia - Hudson

65.0

25A

65A

 I-290 shield image from wikimedia West - Worcester

65.0

25B

65B

 MA 62 shield from wikimedia - Berlin, Hudson

67.3

26

67

 MA 117 shield from wikimedia - Bolton, Stow

70.0

27

70

 MA 111 shield from wikimedia - Boxborough, Harvard

74.7

28

75

 MA 2 shield image from wikimedia East - Boston

77.6

29A

78A

 MA 2 shield image from wikimedia West - Leominster

77.6

29B

78B

 MA 2A shield from mediawiki MA 110 shield from wikimedia - Littleton, Ayer

79.2

30

79

 MA 119 shield from wikimedia - Groton, Acton

80.2

31

80

 Boston Rd - Westford

83.3

32

83

 MA 4 shield from mediawiki - North Chelmsford (NB)

87.3

33

87

 MA 110 shield from wikimedia (To MA 4 shield from mediawiki SB) - Chelmsford, Lowell

88.2

34

88

 US 3 shield image from wikimedia South - Burlington

89.1

35A

89A

 US 3 shield image from wikimedia North - Nashua, NH

89.1

35B

89B

 Lowell Connector - Lowell

89.4

35C

89C

 Woburn St - S. Lowell, N. Billerica

91.2

37

91

 MA 38 shield from mediawiki - Lowell, Tewksbury

92.3

38

92

 MA 133 shield from wikimedia - Dracut, Andover

94.6

39

94

 I-93 shield image from wikimedia South - Boston

97.0

40A

97A

 I-93 shield image from wikimedia North - Concord, NH

97.1

40B

97B

 MA 28 shield from mediawiki South - Andover

99.4

41A

99A

 MA 28 shield from mediawiki North - Lawrence

99.4

41B

99B

 MA 114 shield from mediawiki East - S. Lawrence

100.2

42A

100A

 MA 114 shield from mediawiki West - Middleton

100.2

42B

100B

 Massachusetts Ave

101.0

43

101A

 Merrimack St

101.4

44

101B

 Marston St - Lawrence

101.9

45AB

102AB

 MA 110 shield from mediawiki Merrimac St - Pleasant Valley

103.1

46

103

 MA 213 shield image from wikimedia West - Loop Connector

104.1

47

104

 To MA 125 shield from wikimedia - Ward Hill, Bradford

105.8

48

106

 MA 110 shield from mediawiki MA 113 shield from mediawiki - River St

106.6

49

107A

 MA 97 shield from mediawiki - Haverhill, Salem, NH

107.3

50

107B

 MA 125 shield from wikimedia South - Haverhill

109.0

51A

109A

 MA 125 shield from wikimedia North  - Plaistow, NH

109.0

51B

109B

 MA 110 shield from mediawiki - Haverhill, Merrimac

111.2

52

111

 Broad St - Merrimac, Merrimacport

114.9

53

115

 MA 150 shield image from wikimedia - Amesbury

117.9

54

118

 MA 110 shield from mediawiki To I-95 shield image from wikimedia South - Salisbury, Boston

118.9

55

119

 Merge onto I-95 shield image from wikimedia North (NB)

121.0

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This exit list contains both the current exit number and proposed exit number if/when MassDOT converts I-495 to the Geographic Reference or Milepost Exit Numbering system. MassDOT awarded a contract to replace the exit numbers in December 2015 and was supposed to be switching over routes in western and southern parts of the state in 2016, however the project now has been indefinitely postponed. The proposed numbers provided were based on contract documents provided by the MassDOT Highway Division for the postponed project, and may be subject to change.

Here's a sign plan for the next I-495 Sign Replacement Project to go out to bid, for the northernmost section between Methuen and Andover:

Image of MassDOT sign plan showing new I-495 Exits 48 and 49 sign plans  with exit tabs with room for larger milepost based numbers

The plans show wider exit tabs for future placement of milepost based exit numbers. The Exit 49 tab is wider since the proposed exit number is 107A.

© Robert H. Malme 2013-2017