Tractor-trailer rollover on I-495 in Hopkinton causing 2-mile backup

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.

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

NBC10 Boston

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

One lane was still closed as of 3 p.m., state police said, and traffic is backed up about 2-1/2 miles.

No further details were immediately available.