A two-vehicle accident caused slowing along northbound Interstate 805 at Balboa Avenue early Wednesday.
The crash prompted a closure to the slow lane around 6:30 a.m.
Authorities said a truck carrying a trailer broke down, but the driver had no momentum to pull over. When he got out of his car, another car struck the trailer.
The impact of the collision caused the driver to sustain a broken arm. He was transported to the hospital.
CHP officials said the driver of the car who hit the trailer may not have had his lights on.
Debris was scattered across the freeway after the collision.
Even though the accident was cleared quickly, drivers heading north from the South Bay faced a delay into Mission Valley according to NBC 7’s Whitney Southwick.
Early reports from CHP stated that three cars were involved. It appeared only two cars were involved.