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

Table of Contents

You skipped the table of contents section.

August 2025

What's New? 

  • In the month of August, crews will continue utility duct bank work, overhead wire relocations to underground, and the gas line relocation along Route 9 in Natick.
  • Intermittent weeknight lane closures and ramp closures on Route 9 and Route 27 are anticipated. Signed detours will be installed for local traffic. Access for emergency services will be maintained.
  • The below map graphic shows the locations of planned work in August 2025. This map is for illustrative purposes only and depicts general work areas and locations. 
Utilities map

Scheduled Work

Work schedules are subject to change in the event of inclement weather. All work hours are typical and subject to change.

Route 9

Eversource Gas Installation

  • Eversource Gas will continue to install the main gas line on Route 9 eastbound on weeknights, Sunday - Thursday nights, intermittently through the Spring of 2026.

Eversource Electric Installation

  • Eversource Electric work will continue during the month of August. This work includes the installation of utility poles along eastbound and westbound Route 9 in the project limits. 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 be relocating their overhead wires to the underground duct bank within the south infield areas, anticipated on weekdays, Monday-Friday, in August.

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.

Travel Impacts

  • Right lane closures and intermittent ramp closures will be in effect on Route 9 eastbound nightly, typically 10:00 PM – 5:00 AM, Sunday – Thursday.
  • Breakdown lane closures 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.

Work Hours and Work Days

  • Eversource Gas, Sunday – Thursday, 10:00 PM – 5:00 AM
  • Eversource Electric, Monday – Friday, 7:00 AM – 3:00 PM
  • Additional Utility Companies, Monday – Friday, 7:00 AM – 3:00 PM

In The Community

  • In a ceremony on Monday, July 28, in Natick, Massachusetts Department of Transportation (MassDOT) Secretary and CEO Monica Tibbits-Nutt, Highway Administrator Jonathan Gulliver, and Senate President Karen Spilka broke ground on the Route 27 over Route 9 bridge replacement and interchange improvements project (pictured below). 
Groundbreaking ceremony
  • Members of the project team will be at the Natick Farmers Market to share information and speak with community members about the project on Saturday, August 30, and Saturday, September 13. Dates are subject to change due to weather conditions. We look forward to seeing you there! 
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