Pay on exit system; It is a system for car parks with 1 entrance and 1 exit or for businesses that have more than one entrance and exit, and which takes the payment at the exit point. The vehicle arriving at the car park receives a ticket by pressing the button from the ticketing cabin at the entrance. After the vehicle passes through the barrier, the vehicle is added to the inward vehicle list. Taken tickets are read to the system computer via USB barcode reader at the exit and the system evaluates the ticket according to the time it is in and charges it according to the amount specified in the software beforehand. The fee is displayed on the computer screen and the optionally on the fee indicator at the same time. If the ticket is worn and the barcode cannot be read with the barcode reader, the code on the ticket can be entered into the system manually and the system can still charge the fee. After the payment is made, the exit barrier opens automatically and the vehicle exits under the control of the officer. After the vehicle leaves, the barrier closes automatically and is added to the system as a vehicle outward. Also, a subscription system can be installed in this system. Vehicle owner subscribing for a certain period such as weekly, monthly or yearly in the subscription system, makes the subscriber card given to him read by the card reader on the ticket booth, the reader recognizes the card, commands the barrier and the barrier opens. The exit of the vehicle is recorded by reading the same card again at the exit. Cash points are available at the payment points. Payment, pricing and other requested reports are taken from this computer. Parking automation program is Windows version.