Massachusetts State Police are at the scene of a single-vehicle crash with serious injuries on Route 3 in Duxbury.
The crash was reported shortly after 3:30 p.m. The Massachusetts Department of Transportation said the crash involved a rollover.
Lane closures are in place to facilitate the crash investigation and cleanup, state police said.
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Motorists are urged to seek alternate routes if possible.
A photo shared by the Duxbury Fire Department showed a vehicle on its side in the middle of the woods just off the highway. They said one patient was transported.