Fog still is blanketing the Northern San Joaquin Valley, but authorities have lifted dense fog advisories for most of the region.
Sacramento-bound commuters hit another dense fog area at the Sacramento County line to one mile south of Elk Grove.
Motorists should also watch for cattle near West Bellevue Road just east of Franklin Road east of Atwater. At 11 a.m., the California Highway Patrol was responding to reports of three or four cows in the road.
An unknown traffic hazard was reported at 11:03 on State Route 132 at Geer Road.
A third traffic hazard was reported at Figmond Avenue at Fields Road north of Snelling, where there was a report of a truck with firewood in the road.