Skip to main content

Traffic and construction updates - Bridge replacement & interchange improvements Natick

Construction activities are in progress. Weather and unexpected circumstances make all construction activities subject to change without notice, but we will do our best to keep you updated.
Skip table of contents
You skipped the table of contents section.

December 2025

What's new?

  • In December 2025, crews will continue retaining wall construction at 190 North Main Street, overhead wire relocations to underground near the Route 27 bridge over Route 9, and utility pole relocations along Route 9.
  • Eversource Gas has completed their work on Route 9 for the season and will return to the project site in spring 2026.
  • The map below shows the locations of planned work in December 2025. This map is for illustrative purposes only and depicts general work areas and locations. 
Aerial view of retaining wall and utility work locations

Scheduled work and holidays

  • Work Hours and work days for specific activities include:
    • Eversource Electric, Monday – Friday, 7:00 AM – 3:00 PM
    • Additional Utility Companies, Monday – Friday, 7:00 AM – 3:00 PM
    • Retaining Wall Work, Monday – Friday, 7:00 AM – 3:30 PM
  • Work schedules are subject to change in the event of inclement weather. All work hours are typical and subject to change.
  • On December 24, 25, and 31, and January 1, there will be no project-related traffic impacts due to the holidays. Crews may be present in the area, but all work will be performed off the road.
Route 9


Eversource Electric Installation

  • Eversource Electric work will continue during the month of December. This work includes the installation of utility poles and relocation of overhead wires along the eastbound and westbound sides of Route 9. This work is anticipated on weekdays, Monday – Friday, and will be performed with breakdown lane closures.

Overhead to Underground Utility Relocation

  • At the interchange with Route 27, multiple utility companies will continue relocating their overhead wires to the underground duct bank within the south infield areas, anticipated on weekdays, Monday – Friday.
Route 27


Overhead to Underground Utility Relocation

  • To facilitate the overhead to underground utility work, intermittent breakdown lane closures are anticipated on Route 27 at the interchange with Route 9, on weekdays, Monday – Friday.

Retaining Wall Construction

  • Retaining wall construction at 190 North Main Street will continue in December and through spring 2026.
  • Work activities this month will include:
    • Excavation, wall footing construction, and stone wall construction.
  • Retaining wall construction will occur during daytime hours Monday – Friday, 7:00 AM – 3:30 PM.
  • This activity will occur within a work zone along the Route 9 eastbound to Route 27 southbound ramp and in the parking lot of 190 North Main Street.

Travel impacts

  • Breakdown lane closures along Route 27 will be in effect daily, 7:00 AM – 3:00 PM, Monday – Friday.
  • Drivers should pay attention to all signage and move carefully through the work zone. Police details, lane markings, temporary barriers, traffic cones, signage, and other tools will be used to control traffic and maintain safe work zones.
Traffic and construction update archive 

Stay informed

To receive project email updates, please sign up here.

Help Us Improve Mass.gov  with your feedback

Please do not include personal or contact information.
Feedback