A crash on Interstate 80 involved a tractor trailer rollover and entrapment, according to Centre County dispatchers.
The crash occurred at about 1:05 p.m. Friday at the 161 mile marker in Spring Township. One person was entrapped in the vehicle.
Traffic was initially stop-and-go with one lane restriction, though exit 161 going westbound was then closed.
Dispatchers called for multiple fire companies to go to the scene. First responders set up a landing zone for a medical helicopter.