Planned Construction Activity

Visit the Planned Lane Closures interactive website.

Upcoming Caltrans Closures/Activities

Week of October 21:

Please view new lane closures scheduled below. Note that all existing long-term closures and detours will remain in effect. Work to be done: Traffic stripe installations, HMA Paving.

  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: EB Lambert Rd lane #1 from State College to Associate Rd.
  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: WB Lambert Rd lane #1 from Associate Rd to State College.
  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: SB-57 from Tonner Canyon Rd/Brea Canyon to Imperial Hwy/SR-90. Alternate lane closure, minimum one lane will be open at all time.
  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: NB-57 Lambert Rd on ramp.
  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: NB-57 Lambert Rd off ramp.
  • Wednesday (10/23/2019) night from 2200 – 0500 hrs: SB-57 Lambert Rd on ramp.
  • Thursday (10/24/2019) night from 0100 – 0500 hrs: SB-57 Lambert Rd off ramp.
  • Thursday (10/24/2019) night from 2200 – 0500 hrs: EB Lambert Rd lane #1 from State College to Associate Rd.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: WB Lambert Rd lane #1 from Associate Rd to State College.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: NB-57 lane #4 from Imperial Hwy/SR-90 to Tonner Canyon Rd/Brea Canyon.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: SB-57 from Tonner Canyon Rd/Brea Canyon to Imperial Hwy/SR-90. Alternate lane closure, minimum one lane will be open at all time.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: NB-57 Lambert Rd on ramp.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: NB-57 Lambert Rd off ramp.

  • Thursday (10/24/2019) night from 2200 – 0500 hrs: SB-57 Lambert Rd on ramp.

  • Friday (10/25/2019) morning from 0100 – 0500 hrs: SB-57 Lambert Rd off ramp.

  • Friday (10/25/2019) night from 2200 – 0500 hrs: EB Lambert Rd lane #1 from State College to Associate Rd.

  • Friday (10/25/2019) night from 2200 – 0500 hrs: WB Lambert Rd lane #1 from Associate Rd to State College.

  • Friday (10/25/2019) night from 2200 – 0600 hrs: NB-57 lane #4 from Imperial Hwy/SR-90 to Tonner Canyon Rd/Brea Canyon.

  • Friday (10/25/2019) night from 2200 – 0600 hrs: SB-57 from Tonner Canyon Rd/Brea Canyon to Imperial Hwy/SR-90. Alternate lane closure, minimum one lane will be open at all time.

  • Friday (10/25/2019) night from 2200 – 0600 hrs: NB-57 Lambert Rd on ramp.

  • Friday (10/25/2019) night from 2200 – 0600 hrs: NB-57 Lambert Rd off ramp.

  • Friday (10/25/2019) night from 2200 – 0600 hrs: SB-57 Lambert Rd on ramp.

  • Saturday (10/26/2019) night from 0200 – 0600 hrs: SB-57 Lambert Rd off ramp.

*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.