Frequently Asked Questions

FasTrak Transponder

If I have a FasTrak® transponder already, can I use the 405 Express Lanes?

Yes, you can use your FasTrak® transponder on any toll agencies in California. The 405 Express Lanes exchanges information with the other toll operators within the state to provide you with seamless travel with a single account.

To take advantage of the free or discounted tolls for carpoolers on the 405 Express Lanes, drivers must have a switchable FasTrak® transponder.

To view a map and websites of all California toll agencies and information regarding their toll rates and policies, click here.

405ExpressLanes Fastrack in California Map

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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


Hours: 8:00 a.m. - 6:00 p.m
Monday through Friday

Email Address

Mailing Address
405 Express Lanes
P.O. Box 2177
Costa Mesa, CA 92628