Austin toll payment works through TxTag or Pay by Plate, depending on whether you have a prepaid account or prefer to pay after each trip
Austin's toll roads are managed by the Central Texas Regional Mobility Authority (CTRMA), which operates the 183A Toll Road, 290 East Toll Road, and 71 East Toll Road. You have two ways to pay: enroll in TxTag, a prepaid account that deducts tolls automatically, or use Pay by Plate, which sends you an invoice after you drive. TxTag is faster and cheaper — tolls are discounted for account holders — while Pay by Plate charges a higher per-trip rate and a processing fee.
The choice matters because unpaid tolls accumulate penalties and can affect your vehicle registration. Understanding which method works for your situation, how to set one up, and what to do if you receive a toll notice will save you money and legal hassle.
Key Takeaways
- TxTag accounts charge lower toll rates than Pay by Plate and deduct fees automatically from a prepaid balance you maintain online.
- Pay by Plate sends you an invoice after you drive; it costs more per trip but requires no account setup if you only use tolls occasionally.
- You can open a TxTag account online at txdot.org or through CTRMA's website in about 10 minutes with a valid driver's license and payment method.
- Unpaid toll invoices generate late fees and can result in vehicle registration holds, so paying within 30 days of receiving a notice is important.
- If you dispute a toll charge, you have 30 days from the invoice date to request a review through CTRMA's customer service.
TxTag: The prepaid account option and how to set it up
TxTag is a prepaid toll account managed by the Texas Department of Transportation (TxDOT) that works on Austin toll roads and across Texas. You load money into your account, mount a small transponder on your windshield, and tolls are deducted automatically when you pass through a toll plaza. The transponder is free, and you can manage your account online or by phone.
To open a TxTag account, visit txdot.org, click "TxTag," and select "Open an Account." You will need a valid driver's license, vehicle registration, and a payment method (debit or credit card). The process takes about 10 minutes. Once approved, TxTag mails your transponder within 5 to 7 business days. You can start using tolls when ready with a temporary transponder number, or wait for the physical device to arrive. Set up automatic replenishment so your account refills when the balance drops below a threshold you choose — this prevents accidental toll violations from an empty account.
TxTag rates on Austin toll roads are typically 30 to 40 percent lower than Pay by Plate rates for the same trip. For example, a trip on 183A might cost $1.50 with TxTag but $2.50 with Pay by Plate. If you use tolls more than a few times per month, TxTag saves money even after accounting for the time to set it up.
Pay by Plate: Invoice-based payment for occasional users
Pay by Plate is a toll payment method that does not require an account. When you drive through a toll plaza without a TxTag transponder, a camera reads your license plate, and CTRMA mails you an invoice within 30 days. You pay the toll amount plus a processing fee (typically $1 to $2 per trip) by the due date on the invoice.
Pay by Plate is useful if you rarely use Austin tolls or are visiting from out of state and do not want to open a TxTag account. However, the per-trip cost is significantly higher than TxTag, and you have no control over when you are billed. If you move and do not update your address with the Texas Department of Motor Vehicles, invoices may not reach you, leading to late fees and registration holds.
To pay a Pay by Plate invoice, look for the payment instructions on the notice you receive. Most invoices can be paid online through CTRMA's website, by phone, or by mail. Payment is due within 30 days. If you do not receive an invoice, you can search for outstanding tolls using your license plate at ctrma.org.
What happens if you do not pay a toll invoice
Unpaid toll invoices do not disappear. After 30 days, CTRMA adds a late fee (usually $25 to $50 depending on the number of unpaid trips). After 60 days, the debt may be referred to a collection agency, which can report it to credit bureaus and attempt to collect the full amount plus collection costs. The Texas Department of Motor Vehicles can also place a hold on your vehicle registration renewal, preventing you from legally registering your car until the toll debt is paid.
If you receive a toll notice and cannot pay when ready, contact CTRMA customer service at 1-844-CTRMA-11 (1-844-287-6211). They can discuss payment plans or address errors on the invoice. Waiting and hoping the notice goes away will only increase what you owe and may result in registration holds that affect your ability to drive legally.
If you believe a toll charge is incorrect — for example, you did not drive that route or the amount seems wrong — you have 30 days from the invoice date to request a review. Contact CTRMA with your invoice number and the reason for the dispute. They will investigate and either adjust the charge or explain why it is correct.
Comparing TxTag and Pay by Plate at a glance
| Feature | TxTag | Pay by Plate |
|---|---|---|
| Account required | Yes | No |
| Setup time | 10 minutes online; transponder arrives in 5–7 days | None; invoice arrives after you drive |
| Cost per trip (example: 183A) | $1.50 | $2.50 + $1–2 processing fee |
| Payment method | Prepaid account; automatic deduction | Invoice; manual payment within 30 days |
| Best for | Regular toll users; Austin residents | Occasional users; visitors |
Managing your TxTag account and avoiding common problems
Once your TxTag account is active, log in to txdot.org regularly to check your balance and transaction history. Set up automatic replenishment so you never run out of funds — if your account balance reaches zero, tolls are still charged, but you will receive a Pay by Plate invoice instead, which costs more and defeats the purpose of having TxTag.
Update your contact information if you move or change your phone number. TxTag uses your address to mail statements and your phone number for account notifications. If CTRMA cannot reach you, you may miss important account alerts or payment issues. You can also opt in to email notifications through your account settings to stay informed of low balances and transactions.
If you sell your vehicle or transfer it to another driver, contact TxTag to remove the transponder from your account. If you do not, tolls will continue to be charged to your account even though you no longer own the car. Similarly, if you buy a used vehicle, check whether it has a TxTag transponder already mounted; if so, contact TxTag to transfer it to your account or have it deactivated.
Toll rates and discounts on Austin roads
Austin toll rates vary by road and time of day. The 183A Toll Road, 290 East Toll Road, and 71 East Toll Road all use dynamic pricing, meaning rates are higher during peak traffic hours and lower during off-peak times. TxTag users always receive a discount compared to Pay by Plate users on the same trip at the same time.
Rates are updated regularly, so check ctrma.org for current pricing before budgeting for frequent trips. Some toll roads also offer discounts for carpools or vehicles with certain environmental certifications, though these vary by road and change over time. CTRMA's website lists all current discounts and how to register for them if you may have access to.
Frequently Asked Questions
Can I use my TxTag from another state on Austin toll roads?
Yes. TxTag works on toll roads across Texas and is interoperable with most toll systems in other states. However, if you are using a toll system from another state (such as E-ZPass), check with CTRMA before driving Austin tolls to confirm compatibility. Some out-of-state transponders may not work, and you could receive a Pay by Plate invoice instead.
What if I get a toll invoice for a trip I did not make?
Contact CTRMA within 30 days of the invoice date and provide your invoice number and the reason you believe the charge is wrong. They will review the toll transaction and either adjust the charge or explain why it is correct. If your vehicle was stolen or borrowed without permission, provide a police report or written statement from the borrower.
Can I get a refund if I overpay my TxTag account?
Yes. If your TxTag account balance is positive when you close it or if you have overpaid, you can request a refund through txdot.org or by calling TxTag customer service. Refunds are typically processed within 30 days. You can also transfer the balance to a new account if you open another TxTag in the future.
Do I need a TxTag if I only drive Austin tolls once or twice a year?
No. Pay by Plate is simpler for occasional users because it requires no account setup. However, if you drive tolls more than four or five times per year, TxTag savings usually outweigh the 10 minutes it takes to set up. Calculate your expected annual toll cost under both methods to decide which makes sense for your situation.
What happens to my TxTag if I move out of Texas?
You can keep your TxTag account active and use it if you return to Texas. If you do not plan to use tolls again, close your account and request a refund of any remaining balance. If you move to another state with a compatible toll system, you may be able to transfer your account or use your TxTag there; contact TxTag customer service to learn about your options.