A big-rig crash that caused an oil spill closed most lanes of northbound Interstate 805 near state Route 52 during Monday's morning commute.
Lanes of northbound I-805 near Clairemont Mesa Boulevard were closed for several hours as a hazardous materials team worked to clean up the spill, according to California Highway Patrol.
All but one lane was back open as of 11 a.m. and the freeway was fully reopened by 12:40 p.m.
The incident caused gridlock traffic not only on I-805 but on surrounding freeways as drivers looked for alternate routes. Video from SkyRanger 7 showed traffic backed up for miles on northbound I-805 and maps showed delays on I-5 and SR-52. A SigAlert was issued warning drivers of delays up to one hour.
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Around 11 p.m. Sunday, a semi-truck crashed into a stalled vehicle, leaving the sedan crushed. It was not immediately clear what caused the vehicle to stop in lanes but the truck was unable to brake in time to prevent the crash, CHP said.
An 82-year-old woman was inside the stalled vehicle, CHP. She was transported to the hospital with major injuries but is expected to survive. The semi-truck driver was not injured.
This is a developing story. Details may change as information is released.