Engineering Construction Projects

Road Construction, Closures, and DetoursWhile every effort is made to keep this website up to date, changes occur dynamically and website updates cannot keep up with moment to moment conditions. This applies to detours which are set daily in the field by Town personnel in conjunction with the Lexington Police Department.

Projects Under Construction

Non-Town of Lexington Projects

The Mass. Water Resources Authority (MWRA) is working on Lowell Street at Summer Street, and there is a partial road closure/truck detour. Work will continue until December 9th at which time it will wrap for the season. The Town of Burlington project on Lowell St has wrapped up for the season. Both projects kick off again in April, 2023.

See the bottom of the page for other important Non-Town related construction information including road closures related to those projects.

Town of Lexington Projects

Center Streetscape work: Line striping will be complete by the end of the week, November 4th! See  Center Streetscape webpage.

  • 2022 Paving Program (Updated November 21, 2022): Projects complete! 


  • Lincoln Street Sidewalk Project (Updated September 23, 2022) The contractor for the Lincoln Street Sidewalk Project, Allied Paving, is currently working on Lincoln St from Marrett Rd to Middle St. Beginning the week of 9/26, Lincoln St will be closed in this stretch to all but direct abutters, buses and others requiring access directly to this section of road. This closure will be in effect for 4-6 weeks. Typical hours are 7am-5pm weekdays. Please see detour map. (PDF)  Project is an installation of an asphalt sidewalk on Lincoln Street from Marrett Rd to Middle St. Work includes drainage improvements, addition of wheelchair ramps and a RRFB for pedestrian crossing on Marrett Rd. (Rectangular Rapid-flashing Beacon)
  • Valleyfield, Grassland, and Waltham Streets Drainage Improvements Project (Updated March 29, 2022) The project includes storm drain improvements, culvert replacement, and related work on Valleyfield Street, Grassland Street, and Waltham Street near Brookside Avenue. Any questions can be directed to the email of Marissa Liggiero.
  • Oxbow Road and Constitution Road Drainage Improvements Phase 1 (Updated September 20, 2021 ) Kiln Brook Culvert Daylighting Project includes drainage improvements in front of 27/29 Constitution road and includes daylight an existing outfall, installing a culvert, roadway infrastructure improvements and wetland improvements.
    Construction is currently underway. The project includes daylighting an existing drainage outfall, installing a culvert and vegetated wall, roadway infrastructure improvements and wetland modifications. There are currently minor traffic implications and no road closures or detours, however residents are encouraged to seek alternate routes around the work area if possible, and to follow directions by detail officers. Towards the end of October, work will include construction in the roadway and a road closure or limited travel is expected. Work is scheduled to be completed before the end of this construction season.
    If you have any questions please email Matt Weisman or email Ross Morrow.


Projects by Other Entities Affecting Lexington

  • MWRA/Town of Burlington Water main projects will begin April 11, 2022 along Lowell St from the North Ave to Summer Street.  This is two different contracts. This work is expected to continue right through the season. Please seek alternate routes and expect delays. Find out details of these projects

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