Various Closures On Interstate 5 - State Routes 99, 108
Stanislaus County – The California Department of Transportation (Caltrans) will perform various closures on Interstate 5 and State Route 99 (SR-99) and SR-108 for maintenance and construction work within Stanislaus County. Work will occur as follows:
Interstate 5
- Long-term, full closures of the northbound and southbound Westley Safety Roadside Rest Areas and the auxiliary lane leading to the southbound rest area exit for construction work.
Note: This project is expected to continue through the spring of 2026.
State Route 99
- Long-term full on-ramp closure from 4th Street/El Camino Avenue to northbound SR-99 for culvert repairs. El Camino Avenue will be closed between 4th Street and Lawrence Street. DETOUR: Use 4th Street and Lawrence Street around the closure.
State Route 108
- Long-term right shoulder closure from 8th Street to Mesa Drive for excavation work through April 24, 2026.
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.
