Traffic Advisory Stanislaus County 12/19/25

Published:

Various Closures On Interstate 5 And State Route 99

Stanislaus County – The California Department of Transportation (Caltrans) will perform various closures on Interstate 5 and State Route 99 (SR-99) 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

  • Daytime shoulder closures from Keyes Road to SR-219/Broadway Avenue for shoulder and electrical work beginning Monday, December 22, through Wednesday, December 23, 2025, from 8:00 a.m. until 4:00 p.m.