MassDOT has announced overnight lane closures of two left lanes on I-495 north and south on the nights of Sunday, Sept. 15, through Friday night, Sept. 20. The closures will occur each night from 7 p.m. to 5 a.m. the following morning. They are necessary to allow the contractor to pave the roadway in the median, according to MassDOT.

Advance warning signs will be used onsite to notify the traveling public about the planned closures and provide updates. For more information on the project, visit the website at For questions or to report issues related to construction, please email

MassDOT encourages drivers to avoid the area and seek alternate routes to minimize delays. Those traveling through the area should expect delays and should reduce speed and use caution. The schedule for this major infrastructure project is weather dependent and subject to change without notice.

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