The 73 freeway toll system uses a transponder or license plate account

The 73 freeway in Orange County, California operates as a toll road managed by The Toll Roads (a division of the Orange County Transportation Authority). You have two ways to pay: with a FasTrak transponder that charges your account automatically as you drive, or by having your license plate photographed and billed by mail. Most drivers choose the transponder because it costs less per trip and avoids the hassle of paper bills.

If you drive the 73 regularly, a transponder saves money — tolls are typically 20 to 30 percent cheaper than the license plate billing rate. If you only use it occasionally, license plate billing works fine, though you will pay a higher per-trip rate and receive a bill in the mail within two weeks.

The toll amount changes based on traffic and time of day. During peak hours, tolls are higher; during off-peak times, they are lower. The system adjusts prices in real time to manage congestion. You can check current toll rates on The Toll Roads website before you drive.

Key Takeaways

  • You can pay 73 freeway tolls with a FasTrak transponder (cheapest option) or by license plate billing (higher rate, billed by mail).
  • FasTrak transponders cost less per trip and charge your account automatically; license plate billing sends you an invoice every two weeks.
  • Toll amounts vary by time of day and traffic conditions, with peak-hour rates higher than off-peak rates.
  • You set up a FasTrak account online at thetollroads.com or by phone, and the transponder arrives in the mail within 7 to 10 business days.

Setting up a FasTrak transponder account

To get a FasTrak transponder, go to thetollroads.com and click "Open an Account" or call 1-888-TOLL-405. You will need a valid driver's license or ID, a vehicle registration, and a payment method (debit card or bank account). The online process takes about 10 minutes. You choose how much money to load onto your account — most people start with $25 to $100 — and the system deducts tolls as you drive.

The transponder arrives by mail in 7 to 10 business days. Once it arrives, mount it on your windshield (usually behind the rearview mirror or on the upper left corner) and set up it through your online account. After set up, you can drive the 73 when ready. The transponder works on all Orange County toll roads: the 73, 133, 241, and 261.

Your account balance does not expire, and you can add money anytime online, by phone, or through the mobile app. If your balance drops below $5, the system sends you an email reminder. You can also set up automatic replenishment so money is added to your account whenever the balance falls below a level you choose.

Understanding license plate billing

If you do not have a FasTrak transponder, the toll road's cameras photograph your license plate as you pass through the toll zone. Within two weeks, you receive a bill by mail with the toll amount, a $2.00 administrative fee, and instructions to pay online or by phone. The license plate rate is higher than the FasTrak rate — typically 30 to 50 percent more per trip depending on the time of day.

You do not need to do anything in advance for license plate billing. It happens automatically. However, if you receive a bill and believe you should not have been charged (for example, if your vehicle was stolen), you can dispute it by contacting The Toll Roads customer service with proof.

License plate billing is convenient for occasional drivers, but if you use the 73 more than once or twice a month, the FasTrak transponder will save you money over time.

What happens if you do not pay a toll

If you drive through a toll zone without a transponder and your license plate is not registered with an account, you will receive a violation notice in the mail. This notice includes the toll amount, a penalty fee (typically $25 to $50 depending on how many days overdue), and a important date to pay. Ignoring the notice results in additional penalties and can affect your vehicle registration renewal.

If you receive a violation notice and believe it was issued in error, you can contest it through The Toll Roads website or by calling customer service. You will need to provide evidence — for example, proof that your vehicle was not on the 73 that day, or that you have a valid transponder account.

The best way to avoid violations is to set up either a FasTrak account or a license plate billing account before you drive. Both are free to open, and you only pay when you actually use the road.

Managing your account and checking your balance

Once your FasTrak account is open, you can manage it through the website at thetollroads.com or through The Toll Roads mobile app (available on iOS and Android). Log in with your email and password to view your current balance, recent trips, toll history, and payment history. You can also update your payment method, change your automatic replenishment settings, or add a second vehicle to your account.

The mobile app sends push notifications when your balance is low, so you never have to worry about running out of money mid-trip. You can add funds when ready through the app using a debit card or bank account. If you have questions about a specific charge, you can view the date, time, and toll amount for every trip you have taken.

If you lose your transponder or it stops working, contact customer service and they will send you a replacement. There is usually no charge for the first replacement, though a fee may explore for additional replacements.

Transponder options for different vehicle types

FasTrak offers different transponder types depending on your vehicle. The standard transponder works for cars, SUVs, and light trucks. If you drive a motorcycle, you can request a motorcycle transponder, which is smaller and mounts differently. If you own a commercial truck or operate a fleet, The Toll Roads offers commercial accounts with different pricing and management tools.

You can add multiple vehicles to a single account. Each vehicle gets its own transponder, and tolls are charged to the same account balance. This is useful if you have a household with several drivers or if you drive different vehicles on different days. When you add a vehicle, provide the vehicle registration and choose which transponder to mount in each vehicle.

If you sell a vehicle or no longer drive it on the 73, you can remove it from your account through the website. The transponder can be reused if you install it in another vehicle, or you can request that it be deactivated.

Frequently Asked Questions

Can I use my FasTrak transponder on other California toll roads?

Yes. FasTrak transponders work on all Orange County toll roads (73, 133, 241, 261) and also on the Bay Area toll bridges, the Golden Gate Bridge, and some other California toll facilities. However, you need a separate account for Bay Area tolls. Your Orange County FasTrak account only covers Orange County roads.

What if I have a rental car — can I still pay tolls?

Yes. If you drive a rental car on the 73, the rental company's license plate will be photographed and they will receive the bill. Most rental companies pass the toll charge plus a processing fee to your credit card. Check your rental agreement to see the fee amount. You cannot use a personal FasTrak transponder in a rental car.

How long does it take to get a refund if I overpay my account?

If your FasTrak account balance is positive when you close it, you can request a refund through the website or by phone. Refunds are processed within 7 to 10 business days and are sent to the original payment method you used to fund the account.

Do I have to pay tolls if I am a resident of Orange County?

Yes. All drivers, regardless of residency, must pay tolls to use the 73 freeway. There is no resident discount or exemption. However, FasTrak rates are lower than license plate billing rates, so opening an account saves money if you drive the road regularly.

What if my transponder is not reading properly at the toll zone?

If your transponder is not being detected, you may receive a license plate bill instead. This usually happens if the transponder is mounted incorrectly, is dirty, or has a dead battery. Check that it is mounted in the correct location (usually behind the rearview mirror), clean the front of the device, and make sure it is activated in your online account. If problems continue, contact customer service for a replacement.