New post on http://twitter.com/caltransdist3 : TrafficAlert Snowing again on I-80's Donner Pass. Chain controls in effect Kingvale to Donner Lake Interchange (DLI). WB traffic being held at DLI to clear spinouts at summit. Roadways are slippery! Take it slow..... http://pic.twitter.com/IMyPqHMjc0