UPDATE (4:32 p.m. Tuesday) - The California Highway Patrol reports that the person who died in Monday's crash on Highway 166 east of Santa Maria was a 28-year-old woman from Victorville.
According to the CHP, she was a passenger in a Chevrolet Silverado that collided with a Chevrolet Tahoe when the driver of the Silverado crossed into the opposing lane to pass slower traffic.
A Toyota Corolla that was behind the Tahoe was also involved in the crash.
The drivers of the Silverado and the Tahoe were reportedly taken to area hospitals with major injuries. The driver of the Corolla was also taken to a local hospital with minor injuries.
A fourth vehicle was hit by a bicycle that was on the back of the Tahoe and became detached as a result of the crash; however, no one in that vehicle was injured.
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UPDATE (8:13 a.m. Tuesday) - CHP confirms one person died in Monday's crash. More information is expected to be released Tuesday.
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UPDATE (8:49 p.m.) — All lanes of Highway 166 have reopened, according to Caltrans.
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UPDATE (2:17 p.m.) — CAL FIRE SLO says three vehicles were involved in the crash.
Fire officials say multiple patients have been transported to the hospital by air and by ambulance.
The exact number of patients is unknown at this time.
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(1:24 p.m.) — A multi-vehicle crash is affecting traffic on Highway 166 east of Santa Maria.
The crash was reported at about 12:50 p.m. in the area of Alamo Creek Rd., near Twitchell Reservoir.
According to the California Highway Patrol, both eastbound and westbound lanes are blocked.
Multiple emergency crews from San Luis Obispo and Santa Barbara counties are at the scene.
It's unknown at this time when the highway will be cleared.
