California Department of Transportation

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Welcome to Caltrans District 12

Serving Orange County
Caltrans - District 12
3347 Michelson Drive, Suite 100
Irvine, CA 92612

(949) 724-2000 Location and Brochure with Site Map

Check Current Highway Conditions
 
You can also call 1-800-427-ROAD
for current highway conditions.

About District 12 - The transportation system in California is one of the state’s greatest assets, unmatched in size,capacity, and convenience to the traveling public. The California Department of Transportation (Caltrans) is the public agency responsible for designing, building, operating and maintaining California’s state highway system, which consists of freeways, highways, expressways, toll roads and the area between the road and property line. More

District Director - Ryan Chamberlain

 
 

PROJECTS AND Alerts

405/605/22

  • Northbound I-405 to Southbound SR-55 Closure Details (Saturday May, 18)
  • Northbound I-405 Culver Drive Off Ramp Improvement

    WEST COUNTY CONNECTOR NIGHTLY CLOSURES SCHEDULE
    Monday, May 20, 2013 to Thursday, May 23, 2013

    NEIGHBORING PROJECT UPDATE:
    The city of Garden Grove has a median improvement project underway on Lampson Ave. As a result of this work, Lampson Ave. is reduced to one lane in either direction beginning at Valley View St. to the city limit. This project will be ongoing until approximately June 2013.

    The city of Seal Beach began a median improvement project on Lampson Ave. the week of April 15. This work will require the closure of one eastbound and westbound lane of Lampson Ave, between Basswood St. and Tulip St. The lane closure will take place weekdays between 8 a.m. and 4 p.m. Improvements are expected to be completed in approximately four weeks.

    Full Freeway Closures (Weather Permitting)
    11:00 p.m. to 5:00 a.m.

    • Northbound I-405 Closed at Valley View St.
    • Southbound I-405 Closed at Studebaker Rd. to Bolsa Chca Rd.
    • Westbound SR-22 Closed at Valley View St.

    Connector Closures
    11:00 p.m. to 5:00 a.m.

    • Northbound I-405 to Northbound I-605
    • 7th St./Eastbound SR-22 to Southbound I-405
    • 7th St./Eastbound SR-22 to Southbound I-605
    • Southbound I-605 Connector to Southbound I-405
    • Southbound I-405 to Northbound I-605
    • Northbound I-405 Connector to Westbound SR-22 / 7th Street

    Ramp Closures
    10:00 p.m. to 5:00 a.m.

    • 7th St./ Eastbound SR-22 On-Ramp at Studebaker Rd.
    • Northbound I-405 On-Ramp at Seal Beach Blvd.
    • Southbound I-405 On-Ramp at Seal Beach Blvd.
    • Westbound SR-22 On-Ramps at Valley View St.

    Road Closures
    10:00 p.m. to 5:00 a.m. (May 15-16)
    • Seal Beach Blvd. closed between Old Ranch Pkwy and N. Gate Rd.


  • Click Here for a detailed list of road, connector and ramp closures

SR-1 - Pacific Coast Highway

  • No alerts available

SR-39

  • No alerts available

SR-55

  • No alerts available

SR-57

  • SR-57 Northbound Widening Project.

    Detour Schedule for May 20 - 25

    Ramp closures and lane reductions will occur from Orangethorpe Avenue to Yorba Linda Boulevard as crews perform roadway excavation, electrical work, erect falsework, columns and form soffit and stems walls.

    Off-peak daytime closures will occur between 9 a.m. and 3:30 p.m., and nighttime closures will occur between 10 p.m. and 6 a.m. Monday 5/13 to Friday 5/17.
  • Ramp Closures


    • Northbound SR-57 Off-Ramp to Lambert Road
    Wednesday 5/22 and Thursday 5/23
    12 a.m. to 5 a.m.
    Detour:
    Northbound SR-57: Exit northbound SR-57 at Tonnor Canyon Road, turn right onto northbound Tonner Canyon Road, left onto westbound Brea Boulevard, continue onto southbound Brea Boulevard, left onto eastbound Lambert Road

    • Northbound SR-57 Off-Ramp to Imperial Highway
    Friday 5/24 and Saturday 5/25
    12 a.m. to 5 a.m.
    Detour:
    Northbound SR-57: Exit northbound SR-57 at Lambert Road, left onto westbound Lambert Road, left onto southbound State College Boulevard, right onto eastbound Imperial Highway

    • Northbound SR-57 On-Ramp from Westbound Yorba Linda Blvd.
    Wednesday 5/22 to Saturday 5/25
    12 a.m. to 5 a.m
    Detour:
    Westbound Yorba Linda Boulevard: Turn right onto northbound State College Boulevard, right onto eastbound Imperial Highway, use northbound SR-57 on-ramp from eastbound Imperial Highway

    Lane Reductions

    • Northbound SR-57 from Imperial Highway to Lambert Road
    Tuesday 5/21 to Thursday 5/23
    9 p.m - 5 a.m.

    • Northbound SR-57 from Yorba Linda Blvd. to Imperial Highway
    Thursday 5/23 to Saturday 5/25
    9 p.m - 5 a.m.

    Street Lane Reduction

    • Orangethorpe Avenue from Southbound SR-57 On-Ramp to Melrose St. in both directions
    Monday 5/20 to Thursday 5/23
    11 p.m. to 6 a.m

    Detour:
    Westbound Orangethorpe Avenue: Left onto southbound Melrose Street, right onto westbound La Jolla Street, right onto northbound Placentia Avenue
    Eastbound Orangethorpe Avenue: Right onto northbound Placentia Avenue, right onto eastbound Crowther Avenue, right onto southbound Melrose Street

    • Nutwood Ave. from Southbound SR-57 Off-Ramp to Northbound SR-57 On-Ramp in both directions
    Monday 5/20 to Wednesday 5/22
    11 p.m. to 6 a.m

    Detour:
    Westbound Nutwood Avenue: Right onto northbound Nutwood Avenue, left onto westbound Yorba Linda Boulevard, left onto southbound State College Boulevard
    Eastbound Nutwood Avenue: Right onto southbound Commonwealth Avenue, left onto eastbound Chapman Avenue, left onto northbound Placentia Avenue

    • Douglass Road/Cerritos Ave. from Katella Ave. to Sunkist St. in both directions
    Monday 5/20 to Thursday 5/24
    9 a.m. to 3:30 p.m.

    • Katella Ave. from Southbound to Northbound SR-57 Off-Ramps in both directions
    Monday 5/20 to Thursday 5/23
    9 a.m. to 3:30 p.m.

SR-73

  • No alerts available

SR-91

SR-142

  • No alerts available

SR-133

  • No alerts available
 

Environmental Reports / Project Details / Public Hearings