FasTrak is the electronic toll collection system used by the state of California. Motorists can purchase a toll transponder for ~$26 and link the serial number with a debit account to have their ...

There are also 1.6 million transponders assigned to county drivers with 342.1 million trips made this year, as of early November. However, the FasTrak pass can be used outside of Los Angeles ...

FasTrak is an "electronic toll collection system" used in California. Once you set up an account, you get a transponder that simply debits your account balance whenever you pass through a toll booth.