Firefighters battled a brush fire in the Clairemont area Thursday morning.
The fire started around 10:30 a.m. on eastbound State Route 52 near Genesee Avenue.
The fire brought traffic on 52 eastbound to a halt, according to the California Highway Patrol.
Fire officials said the small brush fire started on the right shoulder of the road. No one was injured, and no structures were threatened by the blaze.
There is no word yet on what caused the fire.