New post on http://twitter.com/CaltransDist10 : SIERRA TRAVEL ALERT: Chain controls are currently in effect on Route 88/Carson Pass and Route 4/Ebbetts Pass. Winter conditions persist. Conditions will be changing throughout the morning. Check Caltrans for road conditions: http://quickmap.dot.ca.gov or 1-800-427-7623 http://pic.twitter.com/uQtSSydIlf