Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Upcoming Caltrans Closures/Activities as of 2/10 - 3/13:

WHEN: Friday, February 10 at 10:00 p.m. tentatively through Monday, March 13 at 5:00 a.m.

Starting on Friday, February 10 at 10:00 p.m. Caltrans will be conducting a 55-hour overnight closure, lanes will re-open at 5:00 a.m. on Monday, February 13 to continue the bridge demolition. 

Beginning Monday, February 13 through the following 3-4 weeks. Overnight closures, from 10:00 p.m. – 5:00 a.m., Monday through Friday.  

Closures include:

  • Complete closure of Eastbound and Westbound Lambert Road, from ramp to ramp 
  • No access beneath the bridge 
  • Ramps on and off the freeway will remain open 
  • Detours will be posted, view the Detour Map 
  • Traveling east, only the southbound freeway on-ramp will be accessible 
  • Traveling west, only the northbound freeway on-ramp will be accessible

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 sheilah.fortenberry@dot.ca.gov