Telematics | Collecting Highway Tolls without Delaying Traffic

Columbian expressway authorities deployed Chainway telematics handheld computers in electronic toll collection. 

Ineffective highway tolls may delay traffic flow, which makes Columbia’s traffic jam even worse. In the face of this challenge, Columbia government has been seeking an efficient system which allows electronic toll collection without delaying the movement of vehicles, in a both secure and reliable way. 

Radio frequency identification (RFID) is often used to identify a particular object, in this case, to identify a vehicle wirelessly. With a RFID-enabled tag labelled in the vehicle and a Chainway RFID-empowered handheld computer and antennas installed in toll booths, radio communication identifies vehicle passing event and downloads the toll the vehicle needs to pay. Vehicle owner, who needs to register in toll payment program first, then waves his/her smart card on Chainway handheld computers to have the right value to be deducted directly. 

The tag is a passive one. It does not contain a battery, instead, it draws power from the reader. Chainway handheld computer is equipped with a high-performance RFID reader, an accurate GPS, a stable and fast 3G connection and an autofocus camera. The smart card is contact-less stored-value card which has a unique ID number feasible to use with that vehicle only. Passive RFID tags, telematics handheld computers together with rechargeable smart cards offer the ability to build infrastructure-less toll systems, eliminating the traditional heavy construction and replacing it with more lightweight and less expensive technology-based solutions. 

Every time a registered vehicle approaches the toll booth, Chainway handheld computer will read the smart card showed by the motorist. Transaction will begin, depending upon the balance available toll will be deducted directly or the vehicle will be directed towards another lane to pay tax manually. 

Using radio communication instead of cash reduces the long queues at toll booths. It eases traffic flow and facilitates toll collection process. Chainway handheld computer captures, collects, and transmits real-time toll collection data with GPS information to the expressway’s backend database under 3G network. In case of emergency, toll collectors can take pictures as evidence. 
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