Safely and securely pay unpaid tolls and manage your Pay By Plate service from your smartphone. - Already miss a toll on the Illinois Tollway? No problem. For up to 14 days after you’ve traveled, you can now enter your vehicle and payment information into the Pay By Plate system, and you’ll have the peace of mind knowing you’ll avoid added fines and fees. TIP - If you’ve already traveled, be sure to backdate your plate information to reflect your beginning date of travel. - Renting or Borrowing a Vehicle? If you’re in a rented, borrowed or temporary vehicle and you do not have an I-PASS or E-ZPass transponder, Pay By Plate is right for you. Simply enter the plate, payment and dates of travel within 14 days of your initial travel and you’re all set. - Already enrolled in Pay By Plate? Manage your Pay By Plate service right from your mobile device. Simply download the app and log in today!