[IN THE NORTHERN CALIFORNIA AREA] CHAINS ARE REQUIRED ON ALL VEHICLES EXCEPT 4-WHEEL-DRIVE VEHICLES WITH SNOW TIRES ON ALL 4 WHEELS FROM TWIN BRIDGES TO MEYERS (EL DORADO CO) EASTBOUND TRAFFIC IS REDUCED TO 1 LANE AT 34TH ST /IN SACRAMENTO/ (SACRAMENTO CO) - DUE TO A TRAFFIC COLLISION