The fatal crash occurred at 3:51 a.m. on southbound Route 7 near Exit 11 when the car went off the road, State Trooper Kelly Grant said.
The identity of the crash victim was not released. The driver was the only occupant in the car, Grant said. Exit 11 is for Federal Road, near the intersection with I-84.
Route 7 southbound was closed earlier for the State Police investigation, but all lanes have since reopened.
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