HAMPTON, N.H. —

Investigators said they are hoping to speak with a driver who may have prompted several crashes on Interstate 95 in Hampton.

They said the pileup occurred around 6:40 a.m. Thursday, when the driver of a white car stopped in the open-road toll lanes and then drove off.

Troopers said that caused the driver behind the car to brake abruptly, leading to a three-car crash.

Two tractor trailers also crashed into each other while trying to avoid the crash.

Two people were brought to a hospital as a precaution.

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