Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Please note: The right lane on westbound Lambert Road is permanently closed from the NB-57 Freeway on ramp to SB-57 Lambert off ramp to continue the bridge work and construct the temporary northbound on ramp. 

Upcoming Caltrans Closures/Activities Week of 4/6/2020:

Work to be done: Slab Replacement, Sign Work, Electrical Work.

Monday 4/6/2020

  • Night from 2000 – 0500 hrs: SB-57 lanes #1, #2 & #3 (from 2300 hrs) from Tonner Canyon Rd/Brea Canyon to Imperial Hwy/SR-90.
  • Night from 2000 – 0500 hrs: SB-57 Lambert Rd on ramp.

Tuesday 4/7/2020

  • Night from 2000 – 0500 hrs: SB-57 lanes #1, #2 & #3 (from 2300 hrs) from Tonner Canyon Rd/Brea Canyon to Imperial Hwy/SR-90.
  • Night from 2000 – 0500 hrs: SB-57 Lambert Rd on ramp.

All existing long-term closures and detours will remain in effect.

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.