Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Upcoming Caltrans Closures/Activities as of 11/14 - 18/22:

WHEN: Monday, November 14 at 10:00 p.m. through Friday, November 18 at 5:00 a.m.

Starting on Monday, November 14 at 10:00 p.m. Caltrans will be conducting an overnight closure, lanes will re-open at 5:00 a.m. on every morning. The affected areas will be of the northbound on & off ramps and the southbound on & off ramps will be closed of the 57 Freeway on Lambert Road. Detours are set for all directions on Lambert Road. 

For more information, please call (657) 328-6000.

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