Traffic Advisory Tuolumne County 01/02/26

One-Way Traffic Control & Sonora Pass Update

Tuolumne County – The California Department of Transportation (Caltrans) will have traffic controls in place for the following construction and maintenance activities on State Route 120 (SR-120) in Tuolumne County next week.

State Route 120

• One-way traffic control from Elder Road to the Tenaya School entrance for sign/banner work on Tuesday, January 6, 2025, from 8:00 a.m. to 1:00 p.m.

State Route 108

• The California Department of Transportation (Caltrans) issued the official winter seasonal closure of State Route 108 (Sonora Pass) on Friday, December 26, 2025. Once Sonora Pass is closed for winter, the road will not be reopened until conditions are warranted next Spring. Each year, Caltrans maintenance crews work diligently to clear debris, remove snow, and make repairs so the highway can reopen safely to motorists.

Caltrans urges motorists to continue using caution and watch for icy road surfaces in the overnight and early morning hours, a reminder that all vehicles must carry chains, and please #DontCrowdThePlow. For more helpful information on winter driving conditions visit dot.ca.gov/travel/winter-driving-tips.

For the latest road condition information, tune your radio to the Caltrans Highway Advisory Radio (HAR) at 530 AM, 1610 AM or 1670 AM, or call the Caltrans Road Condition Hotline at 1-800-427-ROAD (7623). Changeable Message Signs (CMS) will display information regarding the pass closures for motorists.

For the safety of workers and other motorists, please Be Work Zone Alert. Caltrans also reminds motorists to #KnowBeforeYouGo by checking QuickMaps on your mobile device or visit quickmap.dot.ca.gov for real-time highway conditions.