One lane of Interstate 80 westbound between Knox and Shippenville is closed this morning as a result of an accident involving 12 vehicles that occurred at about 9:20, according to Clarion County 911. There was no report on possible injuries.
The area closed is between mile markers 53 and 60, according to 911.
State police in Clarion said the accident occurred at mile marker 58.
According to 911, the accident involved five semitractor-trailers, six passenger vehicles and a Pennsylvania Department of Transportation truck.
Both westbound lanes had been shut down.