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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.
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April 2026

What's new?

  • In April 2026, crews will continue the drainage pipe installation on Route 27 between Route 9 and Rutledge Road, and retaining wall construction along the eastbound Route 9 off-ramp and southbound Route 27. Work schedules are weather dependent and subject to change.
  • Utility pole work and utility relocations will continue along Route 9 within the project limits, between Linden Street and the Cochituate Rail Trail, and on Route 27 between Bacon Street and the entrance to the 9/27 Exchange Plaza.
  • The overhead to underground utility relocation at the interchange is complete.
  • The map below shows the locations of planned work in April. This map is for illustrative purposes only and depicts general work areas and locations. 
Map showing location of drainage pipe and retaining wall work.


Work schedules 

Work schedules are subject to change in the event of inclement weather. Work hours reflect the typically scheduled timeframes.

Typical Work Hours and Days

  • Retaining Wall Construction, Monday – Friday, 7:00 AM – 3:00 PM
  • Drainage Pipe Installation, Monday – Friday, 7:00 AM – 3:00 PM and Sunday – Thursday 9:00 PM – 5:00 AM
  • Eversource Electric, Monday – Friday, 7:00 AM – 3:00 PM

Route 9

Eversource Electric Installation

  • Eversource Electric work will continue during April with 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.

Route 27

Drainage Pipe Installation  

  • Drainage pipe installation on northbound Route 27 between Route 9 and Rutledge Road is expected to continue through Fall 2026. This work will be scheduled during weekday and weeknight work hours, with lane shifts expected on northbound Route 27. Two traffic lanes will be maintained at all times.

Retaining Wall Construction  

  • Retaining wall construction in front of 190 North Main Street, along the eastbound Route 9 off-ramp and southbound Route 27, is expected to continue through Summer 2026. This work is scheduled to take place in an established off-road work zone during daytime work hours.

Eversource Electric Installation

  • Eversource Electric work on Route 27 will begin in April with the installation of utility poles and relocation of overhead wires, both north and south of Route 9. This work is anticipated on weekdays, Monday – Friday.

Travel impacts 

  • Breakdown lane closures along Route 9 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 

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