Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Upcoming Caltrans Closures/Activities as of 9/1/2023:

The one (1) week overnight closure of the eastbound and westbound Lambert Road.

WHEN: Tuesday, September 5 - Saturday, September 9

Caltrans is conducting an overnight closure on both eastbound and westbound roads at Lambert Road, between State College Boulevard and Associated Road, on Tuesday, September 5 - Saturday, September 9, starting at 10:00 p.m. will re-open at 5:00 a.m. morning. Please use alternate routes and drive with caution.

Please contact Sheilah Fortenberry at (949) 696-5055 or email for more information.

Please note that in order to safely handle any unforeseen issues and to keep the project on track, it may be necessary to modify the schedule or the work plan. We will make every effort to update the information as soon as it’s received.

Keep informed by following Caltrans’ website and social media platforms: Facebook, Twitter and Instagram. Additionally, follow the City of Brea official news sources for updates. of new Caltrans information. Please allow some extra time, watch for detour information and drive carefully.

For inquiries regarding this project, please contact Caltrans Public Information Officer, Sheilah Fortenberry at (949) 969-5055 or email