You will need the following items ready in order to access
your toll bill(s) or make a payment online:
If reference number and license plate are not available,
(512) 323-4204 or toll free at (888) 811-4565.
- Your six-character reference number and license plate number found on your bill.
- A valid credit or debit card (Visa, MasterCard, or Discover) OR
- A valid checking, savings, or money market account (you will need the Routing Number, Account Number and Financial Institution Name).