Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Beginning November 4, Caltrans will reduce the westbound Lambert Rd. left turn lanes onto the southbound 57 freeway on ramp to one left turn lane. Also, the southbound 57/Lambert on ramp will be reduced to one lane.

Upcoming Caltrans Closures/Activities Week of 01/06/2020:

Work to be Done: Preparation for pile driving 

Please Note: Please Note: Upcoming scheduled daytime work beginning on December 16 is scheduled from 7:00 a.m. to 3:30 p.m. It is estimated for this particular construction activity to last two to three weeks.  The construction work includes driving approximately 120 concrete/steel pilings into he ground to construct abutment for a new bridge overpass. Residents and businesses in the vicinity of Lambert Road and the 57 Freeway may notice vibrations and increased noise during daytime hours.

Tuesday 1/7/2020

  • Morning from 0001 – 0500 hrs: NB-57 Lambert Rd off-ramp.
  • Morning from 0001 – 0500 hrs: NB-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.