Traffic Advisory Tuolumne County 03/13/26

One-Way Traffic Control Next Week

Tuolumne County- The California Department of Transportation (Caltrans) will have traffic controls in place for the following construction and maintenance activities on State Route 49 (SR-49), SR-108, & SR-120 in Tuolumne County next week. Work is scheduled to occur as follows:

State Route 49

• One-way traffic control from the Mariposa/Tuolumne County line to State Route 120 South for drainage work beginning Monday, March 16, through Wednesday, March 18, 2026, from 8:00 a.m. to 3:00 p.m.

State Route 108

• One-way traffic control from the 8,000 ft Markert to 9,000 ft Marker for drainage work beginning Monday, March 16, through Friday, March 20, 2026, from 7:00 a.m. to 4:00 p.m.

State Route 120

• One-way traffic control from the Groveland Creek Bridge to Ponderosa Lane for drainage work beginning Tuesday, March 17, through Friday, March 20, 2026, from 7:00 a.m. to 3:00 p.m.

Motorists should expect 5-to-10-minute delays and use alternate routes whenever possible. All work is scheduled to occur as listed but is subject to change due to traffic incidents, weather, availability of equipment/materials, and construction-related issues.

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.