I-391 large shield image from mediawikiI-391 Exit List

4.8 Miles, from I-91 to Commercial Street, Holyoke

Interchange

Milepost

Exit Number

New Sign Plan 2020

 I-91 shield image from wikimedia South (SB)

0.2

1A

 MassDOT sign plan image for I-91 South exit on I-391 South in Chicopee

 I-91 shield image from wikimedia North (SB)

0.7

1B

 MassDOT sign plan for I-91 North exit on I-391 South in Chicopee

 MA 116 shield image from mediawiki - Chicopee Center

1.0

2

 MassDOT sign plan 1 1/2 miles advance sign for MA 116 exit on I-391 in Chicopee

 MA 116 shield image from mediawiki - Westover, Willimansett

1.9

3

 MassDOT sign plan for 1-mile advance sign for MA 116 exit on I-391 in Chicopee

 MA 141 shield image from mediawiki (East) - Chicopee Falls

3.9

4A (4 NB)

 MassDOT sign plan for MA 141 exit sign on I-391 North in Chicopee

 MA 141 shield image from mediawiki West - Willimansett (SB)

3.9

4B

 MassDOT sign plan for exit signs for MA 141 exits on I-391 South in Chicopee

 Main St (NB)

4.6

5

 MassDOT sign plan for 1/2 mile advance sign for Main Street exit on I-391 North in Holyoke

High St (NB)

4.9

6A

 MassDOT sign plan for High Street and Commercial Street exit signs on I-391 North in Holyoke

 Commercial St (NB)

4.9

6B


*This exit list originally had both the current exit number and the proposed exit number from 2016 when MassDOT planned to convert I-391 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 was postponed. When MassDOT announced a new effort at exit renumbering in November 2019, the agency said I-391's numbers would not be changed, due to the close proximity of the exits. I have include sign plans for the 2020 sign replacement project which confirmed the continuation of the sequential exit numbers.

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