A vegetation fire was burning near Highway 1 and Santa Lucia Canyon Road near Vandenberg Village on Thursday afternoon.
Personnel from the Santa Barbara County Fire Department and Lompoc Fire Department were dispatched to the incident at 4:15 p.m. Shortly after arriving, firefighters estimated the blaze had burned between 10 to 15 acres.
The remote area is near Vandenberg Air Force Base, and is a few miles west of Vandenberg Village and north of the Lompoc Federal Correctional Complex employee housing and facilities.
One southbound lane of Highway 1 was closed in the area of Santa Lucia Canyon Road, according to the California Highway Patrol.
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Northbound lanes were open, but drivers should use caution and watch for emergency vehicles, Caltrans said on Twitter.