Tractor-trailer rollover on I-495 in Hopkinton, Mass.

A tractor-trailer rollover on Interstate 495 north in Hopkinton, Massachusetts, is causing major traffic delays on Wednesday afternoon.

State police said around 3 p.m. in a post on X, formerly known as Twitter, that they were on scene of a tractor-trailer rollover on I-495 north in Hopkinton, just south of the Massachusetts Turnpike.

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At the scene, the trailer appeared to have fallen off the truck.

A trailer appeared to have fallen off a semi-truck on I-495 in Hopkinton, Massachusetts, on Wednesday, Oct. 18, 2023, backing up traffic for miles.

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There was no word on injuries.

Tractor trailer rollover crash in #Hopkinton on I-495-NB at Exit 58. I-495 NB is currently closed at exit 58. Expect Delays.
— Mass. Transportation (@MassDOT) October 18, 2023

Troopers on scene, tractor-trailer rollover, Rt. 495 North, Hopkinton, just south of the Mass. Turnpike. One lane still closed. Traffic backup approximately 2.5 miles. #MATraffic
— Mass State Police (@MassStatePolice) October 18, 2023