Snow prompts chain controls on Sierra roads. Here’s what conditions to expect on I-80, Hwy. 50
Maximum chain controls, known as R-1, are in effect on Highway 88 six miles east of Cook’s Station to Picketts Junction in Alpine County. North of Tahoe, chain controls are in effect on Highway 89 to the Sierra-Plumas county line as well as along Highway 49 between Sierra City and Sierraville.