Can I use my TollTag (NTTA) or EZ TAG (HCTRA) to pay tolls in Austin?
Yes. Drivers with a TollTag from the North Texas Tollway Authority (NTTA) or EZ TAG from the Harris County Toll Road Authority (HCTRA) may use TxTag express lanes and will have toll charges automatically deducted from their toll account. Be sure to keep your toll account information current to avoid incorrect charges.