Traffic restrictions on I-79 between the Carnegie and Heidelberg exits has fully reopened.

The highway was down to one lane Monday morning because of a tractor-trailer accident, PennDOT said. Restrictions were lifted just before 1 p.m.

One person was transported from the scene of the accident in which a truck overturned on the highway around 5 a.m. and traffic was still reduced to one lane around 9 a.m., according to Nicole Haney, a PennDOT spokeswoman, and Allegheny County Department of Emergency Services spokeswoman Kasey Reigner. Produce was spilled on the highway.

Additional details were not available Monday morning.

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