Frequently Asked Questions
About the Project
What is the I-405 improvement project?
The 405 Express Lanes is one component of the overall 16-mile I-405 Improvement Project. With new lanes, bridges, ramps, and enhancements to surrounding city streets, the voter-approved project supports OCTA’s mission to deliver a balanced and sustainable transportation network for all those who live, work and visit Orange County.
For construction updates, visit the I-405 Improvement Project.
Didn’t find the answer that you were looking for?
Contact Customer Service using the options below.
In Person
405 Express Lanes Customer Service Center
Hours: 8:00 a.m. - 6:00 p.m
Monday through Friday
OCTA Store
Hours: 8:00 a.m. - 5:00 p.m
Monday through Friday
Phone
Email/Mail
Email Address
Mailing Address
405 Express Lanes
P.O. Box 2177
Costa Mesa, CA 92628
P.O. Box 2177
Costa Mesa, CA 92628