Interstate 5 runs up the center of California through Red Bluff and Redding. Chico is east of Interstate 5 on Highway 32. Lassen Volcanic National Park can be reached by Highway 36 from Red Bluff or (except in winter) Highway 44 from Redding. Highway 299 connects Weaverville, Redding, and Alturas. U.S. 395 leads from Susanville to Alturas. Highway 89 will take you from Mt. Shasta to Quincy. Highway 36 links Chester and Susanville. Check weather reports and carry detailed maps, warm clothing, and tire chains whenever you head into mountainous terrain in winter.
Caltrans. 800/427–7623; www.dot.ca.gov.