The system consists of two functional groups .These groups are referred as front end and the back end.
- The front end includes the software and hardware required to operate the lanes.
- The back end includes the software and hardware which manages the toll collection system. In addition back end includes the point of sale (POS) software which provides customer service like issuing of new smartcard as well as recharging smart card.
- Front end & Back end groups are connected through local area network (LAN).
Barcode is printed while issuing receipt for daily pass the same receipt should be presented by the user while returning through the plaza. The toll collector reads the receipt using barcode scanner and system verifies for its validity. Whenever there is class discrepancy, an Image be captured using the camera and sent to lane controller / backup system for storage. Each transaction data & associated image can be seen in the Audit & Incident Management application.
The toll collector can communicate with the control room operator and supervisor using intercom units. For smart card users, registration, personalization and recharge is done at point of sale terminal. The toll collector should submit the toll fare collected for a shift after end of that particular shift to the cashier. The cashier enters the shift details in the system. The transaction data from all the lanes transmitted to the plaza server & audit / incident capture system. The supervisor can review the discrepancies, if any and the status of lane equipment?s using the software applications running on these two workstations.
Electronic toll collection (ETC) aims to eliminate the delay on toll roads by collecting tolls electronically. ETC determines whether the cars passing are enrolled in the program, alerts enforcers for those that are not, and electronically debits the accounts of registered car owners without requiring them to stop.