TRAFFIC ADVISORY 
One-Way Traffic Controls for June 28 - July 4, 2026 

June 27, 2026 – Mariposa County – The California Department of Transportation (Caltrans) will have traffic controls in place for the following construction and maintenance activities on SR-132 & SR-140 in Mariposa County this week. Work is scheduled to occur as follows:

State Route 132

• One-way traffic control just west of State Route 49/Coulterville for electrical work beginning Monday, June 29, through Wednesday, July 1, 2026, from 6:00 a.m. to 4:00 p.m.

State Route 140

• One-way traffic control from Miller Road to Fourth Street for electrical work beginning Sunday, June 28, through Thursday, July 2, 2026, from 8:00 p.m. to 6:00 a.m.
• Full highway closure from SR-49 South to SR-49 North for special event on Saturday July 4, 2026, from 6:00 p.m. to 11:00 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.

For the latest road information, visit quickmap.dot.ca.gov & dot.ca.gov. 

Source: Caltrans