A grass fire off southbound Business 80 near Fulton Avenue is causing traffic to slow, Caltrans said on Twitter Friday.
Firefighters are at the scene on the right shoulder, according to traffic cam footage of the area.
Lane No. 3, the slow lane, is closed, Caltrans said. Drivers should expect delays.
This is a breaking news story. Check back for updates.
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Molly Sullivan: 916-321-1176, @SullivanMollyM