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For Immediate Release

June 3, 2021

 Westborough and Southborough: Acceler-8 Project Logistics This Weekend

WESTBOROUGH/SOUTHBOROUGH – Acting Transportation Secretary and CEO Jamey Tesler and Highway Administrator Jonathan Gulliver held an in-person media availability today at the Southborough State Police barracks to announce the upcoming Acceler-8 Bridge Replacement Project and the trial run to test the temporary traffic set-up for bridge construction operations which is scheduled to begin at 7:00 p.m. on Friday, June 4, and will continue until Sunday morning, June 6.  During the trial run, I-90 eastbound and westbound will have just two lanes of travel open in each direction between Framingham and I-495.

“I have full confidence that the MassDOT Highway Division will hold the trial run and complete this bridge replacement project in a way that has minimal impact on drivers who use the Mass Pike,” said Acting Transportation Secretary Tesler. “Crews have demonstrated on other projects that they have the ability to get infrastructure work done in a smart and strategic way.”

During this weekend’s trial run, there will be temporary reduced lanes of travel on I-90 eastbound and westbound between Framingham and I-495 in Hopkinton.  During the trial run, westbound traffic will be shifted to the other side of the highway to travel westbound with a barrier in place separating westbound traffic from eastbound.

The purpose of the trial run is to test the I-90 temporary traffic set up for the project to replace eight bridges when the work activities are done on weekends this summer. The goal is to make sure the traffic shift and reduction will run as smoothly as possible during the actual bridge replacement weekends from June 18 through August 16, 2021. (Read more about this in the Trial Run Advisory.

“Our crews have started initial work-related activities including roadway milling, staging equipment, and bringing in bridge materials,” said Highway Administrator Gulliver. “We appreciate and encourage members of the public to plan ahead or alter travel patterns during these weekends.”

This summer, the Acceler-8 I-90 Bridge Replacement Project will replace eight bridges along I-90 in Westborough and Southborough. This is a major construction project on one of the state’s most important roadways to update 60+ year-old infrastructure that serves over 100,000 drivers a day. MassDOT will use innovative management, contracting, and construction techniques that will allow crews to complete the work in just eight weekends, when traffic is anticipated at its lowest volumes. During the weekend work, I-90 will be reduced to two lanes in each direction, the local roadway below the bridge being replaced will be closed, and detours for through traffic will be put into place.  Detour maps are posted on the project website’s “How will I be impacted” page.

Schedule of Summer Work

The full schedule of all of the weekend replacement operations and locations will be as follows:

  • Weekend of June 18: I-90 over Woodland Road (Westbound) – Bridge replacement
  • Weekend of June 25: I-90 over Cordaville Road (Westbound) – Bridge replacement
  • Weekend of July 9: I-90 over Parkerville Road and Flanders Road (Westbound) – Bridge replacement
  • Weekend of July 16: I-90 (Westbound) – Paving all bridges on the westbound side
    • This work will not require local road detour or a crossover. Various lane closures on I-90 only.
  • Weekend of July 23: I-90 over Woodland Road (Eastbound) – Bridge replacement
  • Weekend of July 30: I-90 over Cordaville Road (Eastbound) – Bridge replacement
  • Weekend of August 6: I-90 over Parkerville Road and Flanders Road (Eastbound) – Bridge replacement
  • Weekend of August 13: I-90 (Eastbound) – Paving all bridges on the eastbound side
    • This work will not require local road detour or a crossover. Various lane closures on I-90 only.

The schedule has been carefully planned to avoid any work taking place on the Fourth of July holiday weekend. All construction is scheduled to begin on Friday at 7:00 p.m. and end on Monday at 5:00 a.m.   Please visit our interactive map for more details on each bridge including locations and schedules.  The schedule is subject to change due to weather and other factors.

 

Traffic Impacts

 Travel on I-90:

 In general, travel impacts on I-90 will be the same each weekend. I-90 will be reduced from three lanes to two lanes in each direction in the work zone (between Route 9 in Framingham and the I-495 Interchange in Hopkinton).

  • Beginning at 7:00 p.m. on Friday:
    • I-90 will be reduced from three lanes to two lanes in each direction using a movable barrier and traffic will be shifted to one side of I-90
  • All day and night Saturday and Sunday:
    • I-90 will continue to be reduced to two lanes of travel in each direction
  • By 5:00 a.m. on Monday:
    • The movable barrier will be removed, and I-90 will reopen to all three lanes in each direction

 

Travel on local roadways:

For six of the eight weekends, the local roadway below the bridge being replaced will be closed to travel from approximately 4:00 p.m. each Friday to 5:00 a.m. each Monday. The closures are needed to ensure public safety during the bridge work that is being conducted overhead. Through traffic will be detoured. Local access will be maintained to homes and businesses on either side of the bridges. Detours will be clearly indicated with signage and advanced warning signs will be posted ahead of each weekend.

MassDOT encourages drivers to plan ahead or alter their travel patterns during these weekends. There will be delays on I‑90 eastbound and westbound each weekend, as well as congestion on local roadways beneath I-90 due to detours.

The project will seek to limit traffic congestion during peak travel times and work will be done on weekends.  There will be no work conducted on the Fourth of July weekend. MassDOT is replacing bridges on I-90 eastbound and westbound over Flanders Road in Westborough and Parkerville Road, Cordaville Road, and Woodland Road in Southborough as part of this project.

Stay up-to-date and informed by visiting the project website or emailing us with any questions.

For more information on traffic conditions, travelers are encouraged to:

  • Dial 511 and select a route to hear real-time conditions.
  • Visit www.mass511.com, a website that provides real-time traffic and incident advisory information, and allows users to subscribe to text and email alerts for traffic conditions.
  • Follow MassDOT on Twitter @MassDOT to receive regular updates on road and traffic conditions.
  • Download MassDOT’s GoTime mobile app and view real-time traffic conditions before setting out on the road.

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