Caltrans Orange County District 12

Caltrans Orange County District 12 Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Caltrans Orange County District 12, Government Organization, 1750 E. 4th Street, Santa Ana, CA.

Caltrans District 12 encompasses the entirety of Orange County or 794 square miles, including 34 cities, 3 million people (as of 2009), and 17 state highway routes.

Traffic Advisory: All Eastbound lanes at Antonio Parkway and Eastbound/Westbound lanes at Grand Avenue in Lake Elsinore ...
09/03/2026

Traffic Advisory: All Eastbound lanes at Antonio Parkway and Eastbound/Westbound lanes at Grand Avenue in Lake Elsinore along SR-74 have been closed due to brush fire. The duration of the closure is currently unknown.

Check QuickMaps in our Link in Bio for updates and to plan your route.

08/24/2026

Precision matters when you’re making signs for the freeway.

It takes thoroughness and a sharp eye for detail. Our sign crew carefully measures and checks every element to make sure each sign is accurate before it hits the road.

Take a closer look at the craftsmanship behind the signs you see every day. 👀

Highway signs hit different when you really think about them. Which sign is speaking to you today?
08/24/2026

Highway signs hit different when you really think about them. Which sign is speaking to you today?

From Irvine to Costa Mesa, the I-405 just got a major upgrade.The 11-mile I-405 Multi-Asset Project is officially comple...
08/20/2026

From Irvine to Costa Mesa, the I-405 just got a major upgrade.
The 11-mile I-405 Multi-Asset Project is officially complete, bringing rehabilitated pavement, upgraded safety features, and a new Park & Ride to the corridor.
And it was completed nearly one year early. 🙌
Swipe through to see the transformation.➡️

🚶 🚲 The Jeffrey Open Space Trail Bicycle & Pedestrian Bridge is officially open!Thanks to everyone who joined us today f...
08/12/2026

🚶 🚲 The Jeffrey Open Space Trail Bicycle & Pedestrian Bridge is officially open!

Thanks to everyone who joined us today for the ribbon cutting and inaugural walk and ride across the bridge.

The nearly 1,200-foot-long bridge spans Walnut Avenue, the Caltrans Orange County District 12 Jeffrey Road Park & Ride, and the I-5 Freeway. It connects to the Jeffrey Open Space Trail and Cypress Village Trail to the north and the JOST extension to the south.

The addition of this bridge completes a key linkage between trails that extend from the Pacific Ocean all the way to the Santa Ana Mountains and Cleveland National Forest. It also marks a significant step toward a more connected and sustainable community.

View images from the event and learn more about this milestone at bit.ly/4i3AY1A.

We'll see you on the trail!

Laguna Canyon Road has a new look!Caltrans celebrated on August 4 the recent completion of the Laguna Canyon Road projec...
08/10/2026

Laguna Canyon Road has a new look!
Caltrans celebrated on August 4 the recent completion of the Laguna Canyon Road project, a $44 million project to make SR-133 safer for cyclists and motorists.
Along the SR-133 corridor, between El Toro Road and SR-73, Caltrans installed Class II Bike Lanes, improved drainage, relocated electrical utilities to underground to reduce wildfire risk, and enhanced pedestrian safety features.
Swipe through these before and after pictures to see how the route has changed.

Address

1750 E. 4th Street
Santa Ana, CA
92705

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16573286000

Website

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