The accident happened around 3:50 a.m. Thursday.
State police say the tractor trailer overturned while attempting to negotiate the ramp. They say the tractor trailer was overturned with an obstruction to the northbound I-81 collector lane.
The ramp was partially closed at times, until the vehicle was up-righted.
The accident is being handled by Tfc. Talbert.
The driver of the rig was not injured in the incident.
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