Traffic began backing up on the I-805 in Chula Vista after multiple cars collided.
According to CHP, at least two vehicles were involved in the crash at Telegraph Canyon Road at about 6 p.m.
The accident prompted a response from the San Diego Fire Department.
Traffic was backed up for several exits following the crash. Check traffic conditions here.
By about 7:30 p.m., traffic was mostly cleared.
Check here for updates.