Work on Federally Required Statewide Exit Renumbering Begins in Massachusetts

I-95 Construction | Waltham Massachusetts | I-95 Exit Guide

The Massachusetts Department of Transportation (MassDOT) is announcing that the installation of new milepost-based signs for exits on U.S. Route 3, from Tyngsborough to Burlington began Wednesday, January 20. The work is anticipated to be completed in two weeks. The milepost sign installation operations will take place on this corridor during overnight hours from 8:00 p.m. to 5:00 a.m. the following day.

MassDOT’s Statewide Exit Renumbering Project is converting all exit numbers on roadways, per Federal Highway Administration (FHWA) requirements. Previous to this project, interstates and major roadways in Massachusetts have always utilized a sequential exit numbering method.

All work is weather dependent and construction dates may be adjusted as conditions warrant.


While I-95 is the primary designation for the highway between Canton and Peabody, Route 128 continues to be carried as a secondary designation on this road. This is why the mileposts for Route 128 begin in Canton and not Peabody. Although removing the Route 128 designation south of Peabody would allow the ‘zero’ milepost for 128 to be at I-95 in Peabody, such a change would require an outreach effort and changes to highway signs that is beyond the scope of the current exit renumbering project.

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