New post on http://twitter.com/caltransdist3 : Q: Are chains required on I-80? A: Chains are REQUIRED on ALL vehicles EXCEPT 4-wheel drive vehicles w/ snow tires on all 4-wheels from east of Baxter in ElDorado County. For latest highway conditions call 1 (800) 427-7623 or http://quickmap.dot.ca.gov http://pic.twitter.com/NxZkieoRGe