Engineering Construction Projects


While 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


See the bottom of the page for other important Non-Town related construction information.


  • Vaille Ave Water Main Replacement (posted 6/15/18) Crews have started working.  As of now, just mobilization and staging is occurring.  Check back here for more updates. The projects includes over 900' of water main replacement from the itersection with Reed St. the project is currently out to bid and work is expected to take place over the 2018 construction season.


  • Whipple Hill Streambed Restoration Project (posted 6/20/18)  This project includes the restoration of approximately 240 linear feet of embankment along with the removal of a redundant, stone stream-crossing in Whipple Brook, replacement of an existing wooden pedestrian footbridge stream-crossing, in addition to restoration of washed-out portion of trail. The project site is located at the Whipple Hill Conservation area, accessible from Summer Street.


  • Worthen Road Pump Station Upgrades (posted 6/19/18) DeFelice has begun to excavate for the submersible pump station; consisting of a new concrete wetwell and a separate valve vault structure, installation of non-clog submersible pumps with lifting guide rails, installation of control cabinet with electrical, pump controls, and appurtenances; installation of a stand-by generator, new 4-inch to a new 6-inch DI force main  from the proposed pump station to connect to the existing 6-inch AC force main, 8-inch PVC gravity sewer, paving, loaming & seeding, landscaping, fence installation, and other associated appurtenances.  Lane closures may be neccessary.  Tentatively, work in the road is scheduled for Monday, June 25th.  


  • Grant Street Bridge Rehabilitation (posted 6/20/18) This project includes removing paint, repainting, as well as other repairs as neccessary. This is expected to take place over the summer with lane closures required on Grant St as well as the bikepath.


  • Dunback Meadow and Mill Brook Sewer System Improvements (posted 9/18/17)This project includes 2,857 lf of cleaning, inspecting, testing and sealing; cementitious lining of 41 manholes; installing 69 lf of cured-in-place short liners; 7,672 lf of manhole-to-manhole cured-in-place lining; performing open cut point repairs in two locations; rehabilitate 25 service connections; raising four manholes two feet above grade; and other related tasks

  • Pedestrian Improvement Project: Bedford St at Hartwell Ave (posted 10/13/17) The project includes sidewalk and wheelchair ramp reconstruction, curb replacement, other appurtenant and miscellaneous work at the intersection of Bedford Street/Hartwell Avenue.

  • Old Reservoir Dam Restoration Project (posted 4/19/18)  The project includes removing trees and brush, regrading around the dam, making earthwork improvements and repairs to the existing dam and restoring the embankments.  The work is anticipated to take place during school summer vacation 2018. The recreational areas in the area will be open during the work including the reservoir.


Projects by other entities affecting Lexington

  • National Grid is working on Main relay on Hancock St.  The work should continue To the begining of June.  Road closures may be neccessary and are field set by National Grid and the Lexington Police Department.  National Grid is also working on Lowell St at Woburn St tieing in services to the new main which was installed last year. 
  • HAFB is replacing their sewer main in Hartwell Ave.  Work is expected to begin in late June and continue throughthe summer including Saturday work.  No road closures are presently anticipated as the right of way is fairly wide in this area and will accomodate to lanes, but, construction will cause delays.  

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