BAKERSFIELD, Calif. — A collision involving a semi-truck on the Grapevine Sunday evening is backing up traffic, according to the California Highway Patrol.

The collision occurred on northbound Interstate 5 near Frazier Park at about 6:41 p.m., according to the CHP traffic incident website.

CHP units are pacing traffic at 5 miles-per-hour starting near Gorman.

It is unclear how the collision occurred, but CHP is reporting only minor injuries at this time.