Orange Country Transportation Authority

Overview

Whether you are heading to Orange County's beautiful beaches, shopping at world-class retail centers, experiencing live performances, catching flights, commuting to work or carpooling children, chances are you will use the San Diego Freeway (I-405). More than 300,000 motorists traverse this interchange daily, making it one of the 10 busiest in the United States.

I-405 Projects

• I-405 Improvement Project
• I-405 (SR-55 to I-5)
• Completed Projects