Traffic Alerts

Road/Street Closures & Detours

For the safety of workers and other motorists, please Slow for the Cone Zone.  

  • Watch for signage.
  • Detours may be in effect while construction is in progress.
  • Avoid delays; take alternate routes.

All work below is scheduled to begin as listed but is subject to change due to traffic incidents, weather, availability of equipment/materials, and construction-related issues.


Thornton Road Left-Turn Lane Installation - Under Construction

Project Description

  • New left-turn lane installation on Thornton Road at Hammer Lane
  • New left-turn lane installation on Lower Sacramento Road at Thornton Road/Pacific Ave.
  • Replacing median islands, curb, sidewalk, ramps, and traffic signal equipment.


Construction Dates

  • July 12, 2021, through November 1, 2021
  • Periodic 24/7 lane closures will occur for several weeks.
    • Phase 1 - Lane closures on Lower Sacramento Road, between Pacific Ave. & Hammer Lane
    • Phase 2 - Lane closures on Thornton Road, between Rivara Road & El Camino Ave.


Roundabout Installation - Under Construction

Tam O’Shanter Drive & Knickerbocker Drive

  • The existing 4-way stop will be converted to a roundabout.
  • A new median island, curb ramps, crosswalks, streetlights, flashing beacons & bike lanes will be installed.
    • Between Erie Drive & Hammer Lane


Construction Dates

  • July 19, 2021, through October 30, 2021
    • Periodic lane closures will occur throughout the project.
    • Travelers should watch for workers/signage, reduce speeds & drive with caution.
    • Consider taking alternate routes to avoid delays.


Questions & Updates

For questions or updates about projects in progress, please Contact Us through the Municipal Service Center.


External Links

Caltrans District 10 


This City of Stockton web page last reviewed on --- 7/15/2021