California Department of Transportation

08/14/2026 | Press release | Distributed by Public on 08/14/2026 16:46

Traffic Advisory Mariposa County 08/14/26

Traffic Advisory Mariposa County 08/14/26

Published: Aug 14, 2026

One-Way Traffic Controls Next Week

Mariposa County - The California Department of Transportation (Caltrans) will have traffic controls in place for the following construction and maintenance activities on State Route 140 (SR-140) in Mariposa County next week. Work is scheduled to occur as follows:

State Route 49

  • One-way traffic control from Harris Road to Watt Road for drainage work beginning Monday, August 17, through Friday, August 21, 2026, from 6:00 a.m. to 4:00 p.m.
  • One-way traffic control from Triangle Road to Stumpfield Mountain Road for drainage work beginning Monday, August 17, through Thursday, August 20, 2026, from 6:00 a.m. to 4:00 p.m.

State Route 132

  • One-way traffic control from Shimer Drive Way to Piney Creek Road for utility work on Monday, August 17, 2026, from 8:00 a.m. to 3:00 p.m.
  • One-way traffic control at Old Highway 49 / Coulterville for drainage work beginning Monday, August 17, through Friday, August 21, 2026, from 6:00 a.m. to 4:00 p.m.

State Route 140

  • One-way traffic control from Midpines Summit to Cobey Lane for utility work beginning Monday, August 17, through Friday, August 21, 2026, from 7:00 a.m. to 3:00 p.m.
  • One-way traffic control from Dry Gulch to Foresta Road for highway construction work on Thursday, August 20, 2026, from 6:00 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.

California Department of Transportation published this content on August 14, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on August 14, 2026 at 22:46 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]