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Posted on: September 30, 2021

[ARCHIVED] MassDOT Advisory: Temporary Daytime Closure of Concord Road at Route 4 (Boston Road)

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For immediate release:

September 30, 2021


MassDOT Advisory: Chelmsford


Temporary Daytime Closure of Concord Road at Route 4 (Boston Road)


Closure will be in place on Saturday, October 2, from 7 a.m. until 7 p.m., and is needed to facilitate culvert installation operations



CHELMSFORD  – The Massachusetts Department of Transportation (MassDOT) is announcing it will be implementing a daytime road closure and detour of Concord Road at Route 4 (Boston Road) in Chelmsford. The closure will take place on Saturday, October 2, from 7:00 a.m. to 7:00 p.m. The closure will allow crews to safely excavate and install sections of a precast concrete culvert across Concord Road.


Detours will be in place as follows:

  • Concord Road northbound will be detoured right onto Harvey Road and left onto Route 4.  
  • Concord Road southbound will be detoured left onto Route 4 and then right onto Harvey Road.


This work is part of a $2.3 million project for intersection improvements and a culvert replacement at the intersection of Route 4 and Concord Road.  Work is expected to be completed in early Spring 2023.


Those traveling through the area should expect delays, reduce speed and use caution. Appropriate signage and messaging will be in place to guide drivers through the detour. 


The schedule for this work is weather dependent and subject to change without notice.


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

  • Dial 511 and select a route to hear real–time conditions.
  • Visit, a website which 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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