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. 

The Town of Burlington is actively working on their water main job on Lowell Street from the Burlington town line to Maple Street. They will working overnight the weeks of August 22nd and August 29th at the intersection of  Lowell Street and Woburn Street, Monday - Friday 7pm to 5am. The roads are expected to be open with one lane of traffic, but those traveling through should expect delays.  Residents in the area have received notification directly from the Town of Burlington regarding water shutoffs overnight as well.  Any questions should be directed to the Town of Burlington or their Resident Engineers.  

Beginning on 8/9 a one way detour will be in place directing Southbound traffic on Lowell Street down Laconia St back to Lowell Street. Northbound traffic will remain on Lowell Street. Typical hours are Monday through Friday from 7 AM until 5 PM. Follow the detour which will be in effect for a month. There will be detours set up in the field as the work progresses.

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

  • 2022 Paving Program (Updated August 18, 2022): 
    • Traditional Paving Contract: Phase 3 Schedule is set. Please see schedule linked below.  This is the anticipated schedule but keep checking back for possible changes as work progresses. Drainage work has begun on Stimson Rd. This is being done by crews from McLaughlin for the Town in advance of paving operations. Expect delays and seek alternate routes. 
    • Road Surfacing Contract:   **Changes to the schedule highlighted in red** Day 2 Fog Seal was postponed due to impending weather.  Schedule will pick up on Thursday, August 18th with Day 2 Streets. Fog seal operations began August 16th. Roads are closed during the surfacing and for about 2 to 4 hours after for curing during which time you may notice an odor.  This is normal. There is a hotlink on the roads that have detour maps. Click the street names below to view. Work began on August 16th which was Day 1. The schedule is continuous through the work week. This work is very weather sensitive and any cancellation or postponement will bump the schedule out to the next dry weekday. The work moves very quickly, but residents are advised to park offsite for access in and out of the road during the days scheduled for this work. Trash pickup will not be impacted. Please have trash out before 7am if you scheduled pickup falls on the fog sealing day for your street. Updates or changes will be posted here so check back often. 
      • *Complete* Day 1: Diamond Road, Longfellow Road, Mead Circle, White Terrace, Whittier Road  
      • *Complete* Day 2: Burlington Street, Gleason Road, Wyman Road
      • Day 3: Bertwell Road, Dexter Road, Eaton Road, Harding Road
      • Day 4: Mass Avenue (East), Balfour Street, Bellflower Street, Emerald Street, Gerard Terrace, Hamblen Street, Homestead Street 
      • Day 5: Simonds Road, Worthen Road
      • Day 6: Greenwood Street, Harbell Street, Mill Brook Road, Shirley Street, Suzanne Road, Tewksbury Street, Westwood Road
      • Day 7: Boulder Road, Hamilton Road, Ledgelawn Avenue, Liberty Avenue, Manning Street, Preston Road 
      • August 29th or 30th:Watertown Street 


See below for the list of roads in the traditional paving contract (roads that have the base removed and then repaved) as well as roads in the surfacing contract (topped with treatment but not excavated) Any questions about the paving program should be directed to the paving hotline: 781 274-8905 or

  • 2022 Sewer Cleaning and Lining Contract (Updated August 18, 2022) Lexington Phase 8 Sewer System Improvements. Work includes cleaning and video inspection of sewer mains as well as manhole rehabilitation and spot sewer repair/relays. Any questions or concerns can be directed to the email of Marissa Liggiero.
    • Phase 8 Construction is complete except for the following dig repairs: Marrett Road at Tufts Road, 433 Marrett Road and Bloomfield Street sewer lateral repair 
  • 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.
  • Pelham Road Reconstruction (Updated June 16, 2022) Once more work is scheduled, information will be posted here.
  • 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.
  • Intersection Improvements: Mass. Avenue at Worthen Road (Updated July 5, 2022) Poles have been erected and utility companies are in the process of transferring over wires. This project entails roadway pavement reconstruction, sidewalk and wheelchair ramps, improved traffic operations and safety, improved pedestrian access and safety, signs and pavement markings. If you have any questions please contact 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 to November.
    • There may be alternating one way traffic on Lowell Street at Summer Street for MWRA work. A detour has been set up in the field routing truck traffic down Maple to Mass Avenue.
    • The Town of Burlington has set up a detour routing Southbound traffic on Lowell Street down Laconia Street back to Lowell Street. This detour will be in place beginning June 29th.  Please seek alternate routes and expect delays. Find out details of these projects
  • National Grid has several Gas main relay projects in Town this year including on Bedford Street, Carley Road, and Eldred Street.  Expect delays and possible closures. Schedules and detour maps will be posted and sent out through Twitter if made available. 

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