If I have a sticker and a hardcase transponder mounted inside my vehicle, will I be charged twice?

You can have, both, a sticker transponder and switchable transponder mounted to your windshield at the same time. The switchable transponder becomes the default transponder and the appropriate toll will be collected based on the settings on the switchable transponder. For information on carpooling with FasTrak, visit: TheTollRoads.com/Accounts/FasTrak/California.

Sticker Transponder FAQs
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