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Welcome to Caltrans District 12
Serving Orange CountyCaltrans - District 12
3347 Michelson Drive, Suite 100
Irvine, CA 92612
(949) 724-2000 Location and Brochure with Site Map
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
- Closure of Southbound I-405 Brookhurst Street Off-Ramp (June 19)
- Northbound I-405 Culver Drive Off Ramp Improvement
-
WEST COUNTY CONNECTOR NIGHTLY CLOSURES SCHEDULE
Monday, June 17, 2013 to Saturday, June 22, 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.
• Northbound I-405 Closed at Seal Beach Blvd.
• Southbound I-405 Closed from Studebaker Rd. to Bolsa Chica Rd.
• Westbound SR-22 Closed at Valley View St.Connector Closures
Ramp Closures
11:00 p.m. to 5:00 a.m.
• Southbound I-605 Connector to Southbound I-405
10:00 p.m. to 5:00 a.m.
• Northbound I-405 On-Ramp at Seal Beach Blvd.
• Northbound I-405 Off-Ramp at Seal Beach Blvd.
• Southbound I-405 On-Ramp at Seal Beach Blvd.
• Southbound I-405 Off-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.
• Seal Beach Blvd. closed between Old Ranch Pkwy and N. Gate Rd.
Click Here for a detailed list of road, connector and ramp closures
I-5
- Closure of Southbound I-5 Sand Canyon Ave. Off-Ramp (June 18- 19)
- Closure of Southbound Interstate 5 Alton Parkway On-Ramp (June 20)
- Interstate 5 Auxiliary Lane and Bridge Widening Project at Camino De Estrella in Dana Point (Fact Sheet)
- Interstate 5 at State Route 74 Ortega Highway Interchange Replacement Project
- Interstate 5 roadway and bridge widening project in San Juan Capistrano.
SR-1 - Pacific Coast Highway
- No alerts available
SR-39
- No alerts available
SR-55
SR-57
- SR-57 Northbound Widening Project.
Detour Schedule for June 17, 2013 - June 21, 2013
Ramp closures and lane reductions will occur from Katella Avenue to Lambert Road as crews perform cast-in-drilled-hole (CIDH) pile operations, pin K-rail, erect falsework and form soffit and stem walls.
Daytime closures will occur between 8 a.m. and 4 p.m., and nighttime closures will occur between 8 p.m. and 4 a.m. Monday 6/17 to Friday 6/21.
Ramp Closures
• Northbound SR-57 On-Ramp from Eastbound Lincoln Ave.
Monday 6/17 to Thursday 6/20
12 a.m. to 5 a.m.
Detour:
Eastbound Lincoln Avenue: Turn left onto northbound State College Boulevard, right onto eastbound Orangethorpe Avenue, left onto northbound SR-57 on-ramp
• Northbound SR-57 On-Ramp from Eastbound Ball Road
Monday 6/17 to Thursday 6/20
12 a.m. to 5 a.m.
Detour:
Eastbound Ball Road: Turn left onto northbound Sunkist Street, right onto eastbound Lincoln Avenue, right onto northbound SR-57 on-ramp
• Northbound SR-57 On-Ramp from Eastbound Katella Ave
Monday 6/17 to Thursday 6/20
12 a.m. to 5 a.m.
Detour:
Eastbound Katella Avenue: Turn left onto northbound State College Boulevard, right onto eastbound Ball Road, right onto northbound SR-57 on-ramp
Lane Reductions
• Northbound SR-57 from Katella Ave. to Lincoln Ave.
Monday 6/17 to Thursday 6/20
12 a.m. to 5 a.m.
Street Lane Reduction
• Westbound Birch Street from Northbound to Southbound SR-57
Wednesday 6/19 to Friday 6/21
8:00 p.m. to 4:00 a.m.
• Westbound Rolling Hills Drive from Northbound to Southbound SR-57
Tuesday 6/18 and Wednesday 6/19
12 p.m. to 4 p.m.
• Westbound Bastanchury Road from Northbound to Southbound SR-57
Tuesday 6/18 and Wednesday 6/19
8:00 a.m. to 12:00 p.m.
• Douglass Road/Cerritos Ave. from Katella Ave. to Sunkist Street in both directions.
Monday 6/17 to Friday 6/21
9:00 a.m. to 3:30 p.m.
• Katella Avenue from Southbound to Northbound SR-57 Off-Ramps in both directions
Monday 6/17 to Friday 6/21
9:00 a.m. to 3:30 p.m.
SR-73
- No alerts available
SR-91
- Westbound 91 Widening Project (Between SR-57 and I-5)
The Orange County Transportation Authority (OCTA), in partnership with Caltrans, will be adding a new, four-mile westbound general purpose to State Route 91 between State Route 57 and Interstate 5 in late Spring or early Summer 2013. The new lane will increase capacity, improve driving operations and reduce traffic congestion - State Route 91 Safety Project (WB Fullerton To Anaheim)
This project will overlay all roadway lanes of the Westbound SR-91 from Harbor Boulevard to East Street, construct new drains, improve existing drainage inlets along the median barrier, upgrade all lane striping and markers and replace road signage. - State Route 91 Safety Project Closure Schedule for the week of June 17, 2013
- SR-91 Roadway Rehabilitation Project (La Palma, Buena Park, Fullerton and Anaheim)
- State Route 91 Widening Project (Between SR-55 to SR-241)
SR-142
- No alerts available
SR-241
SR-133
- No alerts available
Environmental Reports / Project Details / Public Hearings
- State Route 74 Shoulder Widening Project
- WCC (SR-22, I-405, I-605) Final Environmental Impact Study
- I-5 High Occupancy Vehicle (HOV) Lane Extension Project
- SR-91 Initial Study with Mitigated Negative Declaration for the proposed Westbound State Route 91 Lane Extension and Auxiliary Lane Reconstruction Project.
- SR-73 - Initial Study with Mitigated Negative Declaration for the proposed Storm Water Basin Stability and Slope Stabilization.
- SR-1 - Initial Study for the proposed Bolsa Chica Roadway Embankment Reconstruction Project.
- Lower SR-74 Widening - Final EIR.
what's happening in District 12
- Caltrans Awards Nearly $250 Million to Improve Public Transit & Air Quality
- New Ramp Signals Installed Along Orange County Freeways!
- NEW! District 12 video presentation to the Orange County Transportation Authority Board of Directors.
- For printed transcript of above presentation Click Here
- California Interregional Blueprint
- State Planning & Research Grant (SPR) to Develop Cost-Benefit Tool for Evaluating Park and Ride Lots
- $825 MILLION ALLOCATED TO CREATE JOBS AND IMPROVE TRANSPORTATION
- Caltrans Economic Recovery
- The Proposition 1B-Transportation Bond
- Strategic Growth Plan Overview and Caltrans Strategic Plan 2007-2012





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