The CHP said that around 4:45 a.m., patrol officers learned about a pedestrian getting hit by a vehicle on Highway 101 near the South Airport Boulevard off-ramp in South San Francisco.
Caltrans said that all lanes were blocked in the area, but lanes reopened around 7:20 a.m., according to the CHP.
Motorists were advised to avoid the area and use alternate routes.
There were no further details immediately given about the collision.
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