Traffic Advisory San Joaquin County 05/08/25

State Route 4 – Lane & Ramp Closures
From Navy Drive To State Route 99

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

• Overnight closures of the #3 (right) and auxiliary lanes of westbound SR-4/Crosstown Freeway from SR-99 to Interstate 5 for soundwall work beginning Monday, May 12, through Friday, May 16, from 8:00 p.m. until 4:00 a.m.
• Overnight, full on-ramp closures from Filbert Street to westbound SR-4/Crosstown Freeway for soundwall work beginning Monday, May 12, through Friday, May 16, from 7:00 p.m. until 5:00 a.m.

Interstate 5 – Lane & Ramp Closures
Closures From Hammer Lane 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, alternating lane closures on northbound and southbound I-5 from Hammer Lane to the San Joaquin/Sacramento County line for construction beginning Monday, May 12, through Friday, May 16, 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 Monday, May 12, through Friday, May 16, 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. https://dot.ca.gov/caltrans-near-me/district-10/district-10-current-projects/10-1e300

State Route 26 – Lane & Shoulder Closures
Traffic Control At Various Locations

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route 26 (SR-26) for maintenance and construction operations. Work will occur as follows:

• One-way traffic control at Darrigo Lane and at Jack Tone Road for shoulder work beginning Tuesday, May 13, through Friday, May 16, from 7:00 a.m. until 3:00 p.m.
• One-way traffic control at Flood Road/Front Street in Linden for shoulder work on Friday, May 16, from 7:00 a.m. until 3:00 p.m.

State Route 88 – Lane Closures
One-Way Traffic Control

San Joaquin County – The California Department of Transportation (Caltrans) will perform various closures on State Route 88 (SR-88) for maintenance and construction operations. Work will occur as follows

• One-way traffic control at Calaveras River for bridge work beginning Monday, May 12, through Thursday, May 15, from 8:30 a.m. until 2:30 p.m.

State Route 99 – Ramp And Lane Closures
Overnight Full Closure Of Northbound Sr-99 In Stockton - May 17, 2025

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:

• Full off-ramp closure from northbound SR-99 at Lathrop Road for utility work on Tuesday, May 13, from 9:00 a.m. until 2:00 p.m.
• Overnight, full closure of northbound SR-99 from SR-88/Waterloo Road to Hammer Lane for bridge work at the Calaveras River Overcrossing beginning at 9:00 p.m. on Saturday, May 17, until 9:00 a.m. on Sunday, May 18.
• Overnight closures of the #1 (left), #2 (middle) and #3 (right) lanes of northbound SR-99 from Cherokee Road to Hammer Lane for bridge work at the Calaveras River Overcrossing beginning Sunday, May 11, through Saturday, May 17, from 8:00 p.m. until 5:00 a.m.
• Overnight, full closures of the SR-88/Waterloo Road, Cherokee Road and Wilson Way on-ramps to northbound SR-99 beginning at 9:00 p.m. on Saturday, May 17, until 9:00 a.m. on Sunday, May 18.
• Overnight, full on-ramp closures from Wilson Way to northbound SR-99 for bridge work beginning Sunday, May 11, through Saturday, May 17, from 8:00 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 May 2025. Please seek alternate route.