A woman was airlifted to a local hospital following a head-on crash on Highway 50 just west of Placerville on Tuesday morning.
According to the California Highway Patrol, the driver of an Audi TT crossed over the median from the eastbound lane to the westbound lane where she collided head-on with a Jeep and was rear-ended by a big rig moments later.
The driver of the Jeep suffered minor injuries, the driver of the big rig was not injured.
As of Tuesday morning, CHP did not know why the driver of the Audi crossed the median into oncoming traffic.
Westbound Highway 50 was shut down for hours while authorities investigated.