Knoxville Area Transit (KAT) offers several different fare payment options. You can purchase your fare upon boarding the bus for a One Ride, 1 Day or Transfer pass. Exact change is recommended. If you do not have exact change, you will be issued a Change Card that can be used on your next trip. Passes are also available at the Knoxville Station Ticket Vending Machine on the bus platform, the Knoxville Station Customer Service Counter, or by mail, please out the Order Your Passes by Mail (PDF).