California tolls work through account-based systems, not cash booths
California's toll roads use FasTrak, a prepaid account system that charges your account when you drive through a toll plaza. You do not pay cash at a booth — instead, a transponder mounted on your windshield or a license plate image triggers the charge. If you drive a toll road without an active account, the toll authority photographs your license plate and sends an invoice to the vehicle's registered owner.
The state has four major toll agencies: the Golden Gate Bridge, the Bay Area Toll Authority (covering the Bay Bridge, San Mateo Bridge, and Dumbarton Bridge), the Congestion Management Agency (covering the 91 Express Lanes in Orange County), and the San Diego Association of Governments (covering the I-15 Express Lanes). Each runs its own FasTrak system, though you can use a single FasTrak account across all of them.
Key Takeaways
- FasTrak is California's toll payment system; you set up an account online or by phone and load money into it before driving toll roads.
- You can pay with a transponder (a small device mounted on your windshield) or by license plate image if you do not have a transponder.
- If you drive a toll road without an account, the toll authority will mail an invoice to your vehicle's registered address with a higher penalty rate.
- Each toll agency has its own account system, but a single FasTrak account works across all California toll roads.
- Toll rates vary by road, time of day, and traffic conditions; some express lanes charge higher rates during peak hours.
Setting up a FasTrak account
Go to the FasTrak website (www.bayareafastrak.org for Bay Area tolls, or the specific agency's site for other regions) and create an online account. You will need your vehicle's license plate number, vehicle identification number (VIN), and a valid payment method — a credit card, debit card, or bank account. The account setup takes about 10 minutes.
Once your account is open, you can either order a transponder (which arrives by mail in 5 to 7 business days) or use license plate-based payment when ready. License plate payment works the same way: the toll plaza camera reads your plate, matches it to your account, and charges you. There is no additional fee for license plate payment, though some agencies offer a small discount if you use a transponder.
You must load money into your account before or as you drive. Most accounts start with a minimum balance requirement (typically $25 to $50, depending on the agency). Set up automatic replenishment so your account refills when the balance drops below a certain amount — this prevents the account from going empty and triggering a penalty invoice.
Transponder versus license plate payment
A transponder is a small electronic device that mounts on your windshield and communicates with toll plaza readers. It is more reliable than license plate recognition in heavy rain or fog, and some agencies offer a small discount (usually 5 to 10 percent) for transponder users. If you drive tolls frequently, the discount can add up. Transponders are free when you open a FasTrak account.
License plate payment requires no equipment. The toll plaza camera photographs your plate, the system looks up your account, and the charge posts within a few days. This method works well if you drive tolls infrequently or do not want to install a device on your windshield. The downside is that in rare cases, the camera may misread a dirty or damaged plate, causing the charge to fail and triggering a penalty invoice.
You can use both methods on the same account. If you have a transponder but occasionally drive a rental car or borrowed vehicle, you can pay by license plate on those trips — just make sure the borrowed vehicle's plate is registered to your FasTrak account, or the toll will go unpaid.
What happens if you do not pay
If you drive a toll road without an active FasTrak account or sufficient balance, the toll authority photographs your license plate and mails an invoice to the vehicle's registered owner. This invoice includes the toll amount plus a penalty — typically $25 to $50 depending on the agency. You have 30 days to pay the invoice or dispute it.
If you ignore the invoice, the toll authority can place a hold on your vehicle registration renewal. When you try to renew your registration with the California Department of Motor Vehicles, the system will flag the unpaid toll and block the renewal until you settle the debt. Some agencies also report unpaid tolls to collection agencies, which can affect your credit score.
If you received an invoice by mistake — for example, your transponder malfunctioned or your account was closed — you can dispute it through the toll agency's website or by phone. Bring proof of your account status or transponder malfunction. Most agencies will waive the penalty if you can show the charge was not your fault.
Toll rates and express lane pricing
Toll amounts vary by road and location. The Golden Gate Bridge toll is a flat rate (currently $8.35 for two-axle vehicles, though this changes annually). Bay Area bridges charge between $6.15 and $6.35 depending on the bridge. The 91 Express Lanes in Orange County and the I-15 Express Lanes in San Diego use congestion pricing, meaning the toll rate changes throughout the day based on traffic — rates can range from $0.50 to $14.25 per trip depending on the time and traffic conditions.
Express lane tolls are higher during peak commute hours (typically 6 a.m. to 10 a.m. and 3 p.m. to 7 p.m.) and lower during off-peak times. The toll agency updates rates in real time on their website and app, so you can check the current toll before you drive. Some express lanes offer discounts for carpools or low-income drivers — check the specific agency's website for current programs.
Managing your account and checking balances
Log into your FasTrak account online or through the agency's mobile app to check your balance, view recent charges, and update your payment method. Most agencies let you set up automatic replenishment, which is the easiest way to keep your account active. You can also make a one-time payment whenever you want.
If you change vehicles, update your account with the new license plate number and VIN. If you sell a vehicle, remove it from your account so tolls on that plate do not charge your account. If you move out of California or no longer drive tolls, you can close your account and request a refund of any remaining balance — most agencies process refunds within 4 to 6 weeks.
Keep your account contact information current. If your phone number or email address changes, update it in your account settings. The toll agency uses this information to contact you if there is a problem with your transponder or if a charge fails.
Frequently Asked Questions
Can I use one FasTrak account for multiple vehicles?
Yes. You can register up to three vehicles per account. Each vehicle has its own license plate and VIN in the system, but they all draw from the same account balance. This is useful if you drive different cars on different days or share a vehicle with family members.
What if my transponder stops working?
If your transponder fails, tolls will not charge and you will receive a penalty invoice. Contact the toll agency when ready and request a replacement transponder. In the meantime, make sure your license plate is registered to your account so tolls can charge by plate. Keep your account balance above zero to avoid additional penalties.
Do I have to use FasTrak, or can I pay tolls another way?
FasTrak is the only way to pay tolls on California's toll roads. There are no cash booths or alternative payment methods. If you do not set up an account before driving, you will receive an invoice with a penalty added.
How long does it take for a toll charge to show up in my account?
Transponder charges usually post within 24 hours. License plate charges may take 2 to 5 business days because the system has to photograph the plate, read it, and match it to your account. Check your account online or through the app to see pending charges.
What if I drove a toll road by accident and did not know it was tolled?
If you received an invoice and did not have an account, you can set up a FasTrak account and pay the toll retroactively. Contact the toll agency to explain the situation — some agencies will waive the penalty if it is your first offense and you set up an account promptly. Bring proof of your new account to support your request.