Travelers to the Sierra Nevada are being warned to come prepared. Caltrans issued chain controls for both major thoroughfares between Sacramento and Nevada, Interstate 80 and Highway 50 around 5:30 a.

Westbound traffic will need to have chains on from the Donner Lake Interchange to Baxter. For Highway 50, Caltrans says chain controls are in effect from 3 miles east of Kyburz to Meyers. The snowy ...