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.
Northbound lanes were open, but drivers should use caution and watch for emergency vehicles, Caltrans said on Twitter.