Traffic Advisory San Joaquin County 10/31/25

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

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

• Overnight, one-way traffic control from Cordes Ranch Road to Army Court for utility work beginning Monday, November 3, through Friday, Nov. 7, from 10:00 p.m. until 5:00 a.m.
• Overnight, one-way traffic control from Tillie Lewis Road to Fresno Avenue for drainage work beginning Monday, Nov. 3, through Friday, Nov. 5, from 9:00 p.m. until 6:00 a.m.
• Overnight, full on-ramp closures from Wilson Way and from Filbert Street to westbound SR-4/Crosstown Freeway for pavement work beginning Monday, Nov. 3, through Friday, November 7, from 7:00 p.m. until 5:00 a.m.
• Overnight lane closures from Walker Lane to Adelbert Avenue for pavement work beginning Sunday, Nov. 2, through Friday, November 7, from 7:00 p.m. until 7:00 a.m.
• One-way traffic control from Walker Lane to Adelbert Avenue for utility work on Wednesday, Nov. 5, from 9:00 a.m. until 12:00 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, November 2, through Friday, November 7, from 7:00 p.m. until 6:00 a.m.
• Full on-ramp closures from Roth Road to southbound I-5 for pavement work beginning Thursday, November 6, through Friday, November 7, from 9:00 a.m. until 2:00 p.m.
• Full on- and off-ramp closures from southbound I-5 to Eighth Street for pavement work beginning Monday, November 3, through Tuesday, November 4, from 9:00 a.m. until 2:00 p.m.
• Full off-ramp closures from northbound I-5 to Monte Diablo Avenue for pavement work on Wednesday, November 5, from 9:00 a.m. until 2:00 p.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, November 2, through Saturday, November 8, 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, November 2, through Saturday, November 8, 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
Overnight Lane Closures In Lodi

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

• Overnight, intermittent lane closures on SR-12/Kettleman Lane from Interstate 5 to SR-99 for striping operations beginning Sunday, November 2, through Friday, November 7, from 8:00 p.m. until 5:00 a.m.

State Route 99 – Ramp Closures
Overnight Highway Ramp Closures

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 off-ramp closures on southbound SR-99 at Austin Road for bridge work beginning Tuesday, November 4, through Friday, November 7, from 9:00 p.m. until 6:00 a.m.
• Overnight, intermittent on- and off-ramp closures at SR-120/Yosemite Avenue on northbound SR-99 for striping operations beginning Sunday, November 2, through Friday, November 7, from 9:00 p.m. until 5:00 a.m.
• Overnight, intermittent on- and off-ramp closures on SR-99 at SR-26/Fremont Street for striping operations beginning Sunday, November 2, through Friday, November 7, from 9:00 p.m. until 5:00 a.m.
• Long-term full closure of the Calaveras River/Frontage Road Overcrossing of SR-99 due to bridge repair work. Estimated completion date is December 2025. Please seek alternate route.
• Overnight, intermittent off-ramp closures from southbound SR-99 at SR-12/Kettleman Lane for striping operations beginning Sunday, November 2, through Friday, November 7, from 8:00 p.m. until 5:00 a.m.

State Route 120 – Ramp Closures
Overnight Highway Ramp Closures

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 on-ramp closures from eastbound SR-120/Yosemite Avenue to southbound SR-99 for bridge work beginning Tuesday, November 4, through Friday, November 7, from 10:00 p.m. until 5:00 a.m.

Interstate 580 – Ramp Closures
Construction Work At Patterson Pass

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

• Overnight, full on- and off-ramp closures on eastbound I-580 at Patterson Pass for construction beginning Sunday, November 2, through Friday, November 7, 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 beginning Sunday, November 2, through Friday, November 7, from 7:00 p.m. until 3:30 a.m.