The CHP responded to a crash on Petaluma Boulevard South early Monday involving an overturned pickup, which had hit ice.
Initial reports indicated the Toyota Tacoma truck crashed at 7:44 a.m.
CHP reports said the pickup had hit some ice just before it rolled.
Earlier Monday a Volvo sedan crashed on Highway 1 near Stewarts Point-Skaggs Springs Road at about 6:45 a.m.
The sedan apparently had crashed into a fence and was partially blocking one lane of the coast highway.