UPDATE: All Lanes Of I-75 North Now Open

Campbell County (WVLT) - The Tennessee Highway Patrol says all lanes of I-75 North are back open at mile marker 134, that's just South of the Caryville exit.

The Campbell County Sheriff's Department told Volunteer TV News just before 7:00 this morning an accident involving three cars caused caused authorities to close the Northbound side of the interstate.

Investigators say a 2X4 came off of one of the vehicles and went through the windshield of another car causing it to swerve and hit a third car.

Only minor injuries were reported in the accident.