Now a days there is a huge rush in the toll plazas in order to pay the toll tax. Therefore in order to reduce the traffic jam and to save time, & also to reduce the money loss of 300 cores / year. Design ed and developed an Automatic toll plaza which is based On ARM7 microcontroller, RFID technology to save the time at toll plazas and having cash free operations". This paper explains the implantation of automation in toll plaza which is a step towards improving the monitoring of vehicles,

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... ling in predetermine routes. The aim o f our pro ject is to design a system ,which automatically identifies an approaching vehicles and record vehicles number and time. If the vehicle belongs to the authorized person, it automatically opens the toll gate and a predetermined amount is automatically deducted from its account. The payment mechanism we are using here is the smart card type mechanism. Here we are using the chip having the memory capacity of 4k.The memory has in it the stored amount of money value. When the switch is pressed for the payment the desired amount will be deducted from the memory and remain ing amount is displayed on the LCD. When the memory card gets nil it requires to recharge the card again to continue with the process. This translate to reduced Traffic congestion at toll plazas and helps in lower fuel consumption. This is very important advantage of this system.