Editor’s note: The delays due to the crash appear to be mostly clear by 7:15 a.m.

A three-vehicle crash involving a tractor trailer on the Massachusetts Turnpike is causing significant delays Tuesday.

The Westborough Fire Department warned people to expect “significant delays” around 6:30 a.m. Tuesday.

The three-vehicle crash was located on the Mass. Pike eastbound at the 104 mile marker. It’s located between RT-122 and RT-135 in Hopkinton.

The crash caused at least one entrapment, the fire department said. Westborough Medic 3, Medic 1 and the Rescue are working on the crash.

The roadway has been reduced to two lanes.

The fire department shared a photo from the crash, which showed the tractor trailer and another vehicle with clear damage.

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