An SUV overturned on I-9 Thursday, causing major traffic build-up in El Cajon.
The accident forced CHP officials to close two lanes of the eastbound I-9 on El Cajon Blvd. where the car overturned, according to a CHP spokesperson.
The passenger inside the SUV was able to get out of the car and was treated on the scene.
CHP issued a Sig alert for the traffic delays.