Traffic Advisory San Joaquin County 07/11/25

State Route 4 – Lane Closures
One-Way Traffic Control For Tree Work

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route 4 (SR-4) for maintenance and construction work within San Joaquin County. Work will occur as follows:

• Overnight, one-way traffic control from Walker Lane to Adelbert Avenue for tree work beginning Sunday, July 13, through Friday, July 18, from 8:00 p.m. until 5:00 a.m.

Interstate 5 – Lane & Ramp Closures
Closures From Route 132 To Sacramento County Line

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on Interstate 5 (I-5) for maintenance and construction work within San Joaquin County. Work will occur as follows:

• Overnight, full connector ramp closures from northbound I-5 to SR-132 for bridge work beginning Monday, July 14, through Friday, July 18, from 7:00 p.m. until 6:00 a.m.
• Overnight, alternating lane closures on northbound and southbound I-5 from Hammer Lane to the San Joaquin/Sacramento County line for construction beginning Sunday, July 13, through Sunday, July 20, from 9:00 p.m. until 5:00 a.m. (northbound) and from 9:00 p.m. until 6:00 a.m. (southbound).
• Overnight, full on and off-ramp closures at Hammer Lane, Eight Mile Road, SR-12 (Flag City), Turner Road, Peltier Road, and Walnut Grove/Thornton Road for construction beginning Sunday, July 13, through Sunday, July 20, from 9:00 p.m. until 5:00 a.m. (northbound) and from 9:00 p.m. until 6:00 a.m. (southbound).

The above listed lane and ramp closures on I-5 between Hammer Lane and the San Joaquin/Sacramento County line are required as part of the I-5 Anchor Pavement Project that will improve 34 miles of existing pavement and shoulders from Hammer Lane in Stockton to the San Joaquin/Sacramento County line. The project will also replace on- and off-ramps with upgraded concrete at Eight Mile Road, State Route 12, Turner Road, Peltier Road, and Thornton Road/Walnut Grove Road. For project details visit https://dot.ca.gov/caltrans-near-me/district-10/district-10-current-projects/10-1e300.

State Route 99 – Highway Closures
Full Closures Of Route 99 In Manteca For Construction

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route 99 (SR-99) for maintenance and construction work within San Joaquin County. Work will occur as follows:

• Overnight, full closures of northbound SR-99 at Austin Road for construction beginning Tuesday, July 15, through Wednesday, July 16, from 10:00 p.m. until 4:00 a.m.
• Overnight, full closures of southbound SR-99 at Austin Road for construction beginning Wednesday, July 16, through Friday, July 18, from 11:00 p.m. until 5:00 a.m.
• Long term full closure of the Calaveras River/Frontage Road Overcrossing of SR-99 due to bridge work. Estimated completion date for bridge repairs is September 2025. Please seek alternate route.

State Route 120 – Ramp Closures
Connector Ramp Closures For Construction In Manteca

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route 120 (SR-120) for maintenance and construction work within San Joaquin County. Work will occur as follows:

• Overnight, full connector ramp closures from eastbound SR-120/Yosemite Avenue to southbound SR-99 for construction beginning Wednesday, July 16, through Friday, July 18, from 10:00 p.m. until 5:00 a.m.

Interstate 580 – Ramp Closures
Closures At Patterson Pass Road For Construction

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on Interstate 580 (I-580) for maintenance and construction operations. Work will occur as follows:

• Overnight, full on-ramp closures from Patterson Pass Road to eastbound I-580 for construction work beginning Sunday, July 13, through Friday, July 18, from 9:00 p.m. until 5:00 a.m.
• Overnight, full off-ramp closures from eastbound I-580 at Patterson Pass Road for construction work beginning Sunday, July 13, through Monday, July 14, from 9:00 p.m. until 5:00 a.m.
• Overnight, full on-ramp closures from Patterson Pass Road to westbound I-580 for construction work beginning Sunday, July 13, through Friday, July 18, from 7:00 p.m. until 3:30 a.m.
• Overnight, full off-ramp closures from westbound I-580 at Patterson Pass Road for construction work beginning Sunday, July 13, through Friday, July 18, from 7:00 p.m. until 3:30 a.m.