Simply insert your credit card into the machine (just like you do at the gas station).
Make sure the credit card strip is facing up (credit card may face either way, as long as the strip is on top).
Any credit card or gift card that has the Visa, MasterCard, Discover, American Express logo is accepted.
Look for the green light and go!
Use our Toll Calculator to determine your exact toll amount for travel on South Bay Expressway. Toll violations are strictly enforced and come with a penalty. Everyone pays a toll to use South Bay Expressway.
Important Information about our Customer Service Center
Starting in July, the Interactive Voice Response (IVR) and telephone prompts are changing. Please listen and choose carefully when you call the Customer Service Center.
In observance of Independence Day, our Customer Service Center will be closed on Friday, July 3, 2015. We will resume normal business hours on Monday, July 6, 2015. Also note that there will be no Toll Attendants on duty at the Otay Mesa Toll Plaza on Friday, July 3. Cash paying travelers should note that Automated Cash Machines take exact change only, so please plan accordingly. We apologize for any inconvenience.