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.

September 2025

What's New? 

  • In the month of September, crews will begin drainage pipe installation on Route 27, north of the interchange, and retaining wall construction along the eastbound Route 9 off-ramp and southbound Route 27.
  • Crews will continue utility duct bank work, overhead wire relocations to underground, and the gas line relocation along Route 9, east of Route 27, 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 map below shows the locations of planned work in September 2025. This map is for illustrative purposes only and depicts general.
Locations of planned work for Natick project


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 eastbound Route 9 on weeknights, Sunday - Thursday nights, intermittently through the Spring of 2026.

Eversource Electric Installation

  • Eversource Electric work will continue during September. 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 September.

Route 27

Drainage Pipe Installation

  • Drainage pipe installation on northbound Route 27 between Route 9 and Rutledge Road will begin in September and is expected to continue through Spring 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, will begin in September and is expected to continue through Spring 2026. This work is scheduled to take place in an established off-road work zone during daytime work hours, with night shift work hours as needed.

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 eastbound Route 9 nightly, typically 10:00 PM – 5:00 AM, Sunday – Thursday.
  • Lane shifts 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.

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
  • Drain Pipe Work, Monday-Friday, 7:00 AM – 3:30 PM and 9:00 PM – 5:00 AM
  • Retaining Wall Work, Monday-Friday, 7:00 AM – 3:30 PM and 9:00 PM – 5:00 AM
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