Traffic Advisory San Joaquin County 08/21/25

State Route 4 – Ramp Closures
Closures From Interstate 5 To Filbert Street In Stockton

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

• Overnight/early morning, full connector ramp closure from eastbound SR-4/Crosstown Freeway to northbound I-5 for bridge work on Sunday, August 24, from 12:30 a.m. to 10:00 a.m.
• Overnight/early morning, full on-ramp closure from Center Street to westbound SR-4/Crosstown Freeway for bridge work on Sunday, August 24, from 12:30 a.m. to 10:00 a.m.
• Overnight, full on-ramp closures from Wilson Way and from Filbert Street to westbound SR-4/Crosstown Freeway for bridge work beginning Monday, August 25, through Friday, August 29, from 7:00 p.m. until 5:00 a.m.
• Alternating lane closures on SR-4/Farmington Road at Walker Lane for utility work beginning Monday, August 25, through Thursday, August 28, from 8:00 a.m. until 4:00 p.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 Sunday, August 24, through Friday, August 29, from 7:00 p.m. until 6:00 a.m.
• Overnight/early morning closures of the #3 (middle), #4 (middle-right) and #5 (right) lanes of northbound I-5 from SR-4/Crosstown Freeway to Filbert Street for bridge work on Sunday, August 24, from 1:00 a.m. until 10:00 a.m.
• Overnight/early morning closures of Pershing Avenue off-ramp from northbound I-5 for bridge work on Sunday, August 24, from 1:00 a.m. until 10:00 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, August 24, through Friday, August 29, from 9:00 p.m. until 5:00 a.m. (northbound) and from 9:00 p.m. until 6:00 a.m. (southbound).
• Overnight, alternating 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, August 24, through Friday, August 29, 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 12 – Lane Closures
One-Way Traffic Control In Lodi

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route (SR-12) for maintenance and construction work within San Joaquin County. Work will occur as follows:

• One-way traffic control on SR-12/Victor Road from Cluff Avenue to Guild Avenue for utility work beginning Wednesday, August 27, through Friday, August 29, from 7:00 a.m. to 5:00 p.m.
• One-way traffic control on SR-12/Victor Road from Tecklenburg Road to Alpine Road for tree work on Tuesday, August 26, from 9:00 a.m. to 3:30 p.m.

State Route 99 – Overcrossing & Ramp Closures
Long-Term Closure At Calaveras River For Repairs

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:

• Long term full closure of the Calaveras River/Frontage Road Overcrossing of SR-99 due to bridge repair work. Estimated completion date is September 2025. Please seek alternate route.

State Route 120 – Lane Closures
Overnight Lane Closures In Escalon For Electrical Work

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, one-way traffic control on SR-120 at Escalon-Bellota Road/McHenry Avenue for electrical work beginning Sunday, August 24, through Friday, August 29, from 9:00 p.m. until 6:00 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 and off-ramp closures on eastbound I-580 at Patterson Pass for construction work beginning Sunday, August 24, through Friday, August 29, from 9:00 p.m. until 5:00 a.m.
• Overnight, full on and off-ramp closures on westbound I-580 at Patterson Pass for construction work beginning Sunday, August 24, through Friday, August 29, from 7:00 p.m. until 4:00 a.m.