Interchange |
Milepost |
Current Exit Number |
Future Exit Number |
|
0.1 |
1 |
1 (0)*
|
|
2.5 |
2 |
2
|
|
7.6 |
3 |
8 |
|
12.1 |
4 |
12 |
|
14.3 |
5A |
14A |
|
14.3 |
5B |
14B |
|
14.7 |
6 |
15 |
|
19.0 |
7A |
19A |
|
19.2 |
7B |
19B |
|
21.7 |
8 |
22 |
Bay St - Taunton, Easton |
24.5 |
9 |
25 |
|
26.9 |
10 |
27 |
|
29.9 |
11 |
30 |
|
29.9 |
12 |
31
|
|
32.9 |
13A |
33A |
|
32.9 |
13B |
33B |
|
35.6 |
14A |
36A |
|
35.6 |
14B |
36B |
|
37.6 |
15 |
38 |
King Street - Franklin, Woonsocket, RI |
41.0 |
16 |
41 |
|
43.2 |
17 |
43 |
|
45.8 |
18 |
46 |
|
48.3 |
19 |
48 |
|
50.2 |
20 |
50 |
W.
Main St - Hopkinton
|
54.2 |
21A |
54A |
W.
Main St - Upton
|
54.2 |
21B |
54B |
|
57.9 |
22 |
58 |
|
59.4 |
23A |
59A |
|
59.4 |
23B |
59B |
Simarano Dr - Marlboro, Southboro |
61.8 |
23C |
62 |
|
63.2 |
24A |
63A |
|
63.2 |
24B |
63B |
To
|
65.0 |
25A |
65A |
|
65.0 |
25B |
65B |
|
67.3 |
26 |
67 |
|
70.0 |
27 |
70 |
|
74.7 |
28 |
75 |
|
77.6 |
29A |
78A |
|
77.6 |
29B |
78B |
|
79.2 |
30 |
79 |
|
80.2 |
31 |
80 |
Boston
Rd - Westford
|
83.3 |
32 |
83 |
|
87.3 |
33 |
87 |
|
88.2 |
34 |
88
|
|
89.1 |
35A |
89A |
|
89.4 |
35B |
89B |
Lowell Connector - Lowell |
89.4 |
35C |
89C |
Woburn St - S. Lowell, N. Billerica |
91.2 |
37 |
91 |
|
92.3 |
38 |
92 |
|
94.6 |
39 |
94 |
|
97.0 |
40A |
97A |
|
97.1 |
40B |
97B |
|
99.4 |
41A (41 SB)
|
99A (99 SB)
|
|
99.4 |
41B |
99B
|
|
100.2 |
42A |
100A |
|
100.2 |
42B |
100B |
Mass
Ave - N. Andover
|
101.0 |
43 |
101 (101A)* |
Marston
St (NB) / Merrimack St (SB)
|
101.4 |
44 |
102 (101B)* |
Merrimack
St (NB) / Marston St (SB)
|
101.9 |
45A |
103A (102A)* |
Commonwealth Dr (NB) / Marston St (SB) |
101.9 |
45B |
103B (102B)* |
|
103.1 |
46 |
104 (103)* |
|
104.1 |
47 |
105 (104)* |
|
105.8 |
48 |
106 |
|
106.6 |
49 |
107 (107A)* |
|
107.3 |
50 |
108 (107B)* |
|
109.0 |
51A |
109A |
|
109.0 |
51B |
109B |
|
111.2 |
52 |
111 |
Broad St - Merrimac, Merrimacport |
114.9 |
53 |
115 |
|
117.9 |
54 |
118 |
|
118.9 |
55 |
119 |
Merge
onto
|
121.0 |
-- |
-- |