New post on http://twitter.com/CaltransDist10 : TrafficAlert- SR-88 Amador/Alpine Chains req'd. Temps starting to drop across Sierra. Numerous storms with periods of heavy mountain snow this week. Hazardous mountain travel, chain controls, and travel delays are likely at times during the week. Check http://quickmap.dot.ca.gov/ http://pic.twitter.com/gbZVCLxc50