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TIRTL The Infra-Red Traffic Logger, more commonly known simply by the acronym TIRTL, is a multi-purpose traffic sensor that can be used as a traffic counter, speed sensor, red light camera sensor, heavy vehicle tracker, overheight vehicle sensor, rail crossing sensor and network management system. The initial development of the device started in 1997 in conjunction with the New South Wales Roads and Traffic Authority & started commercial domestic and international sales in 2002. It is currently in use in sixteen countries.〔 It uses infrared light cones sent from a transmitter to a receiver situated on opposite sides of the road perpendicular to the flow of traffic. It has the ability to classify, record speed, and record volume for motor vehicles. The unit's data logging capabilities are enhanced by several flexible options for output.〔 These options allow for real time applications, such as variable message sign triggering and traffic enforcement, as well as data logging for statistical purposes.〔 == Overview ==
TIRTL (The Infra-Red Traffic Logger) is manufactured by CEOS Pty Ltd, and marketed by CEOS Industrial. The device was initially developed in 1997 in conjunction with the New South Wales Roads and Traffic Authority, before the company received a grant from the Government of Australia in 1998 to develop it further before commercial sales started in 2002. It is currently in use in Australia, New Zealand, the Netherlands, Belgium, Luxembourg, Norway, Germany, Denmark, Sweden, South Africa, Turkey, India, Singapore, the United States, Canada, and Mexico.〔 The device is currently in its third generation. It has the ability to record volume, speed, and classification on a bi-directional, multi-lane roadway.〔(【引用サイトリンク】url=http://ceosindustrial.com.au/products/tirtl.htm )〕 Primary applications for this device include speed verification for enforcement purposes, traffic volume and density data collection for both statistical and real time usage, and vehicle classification by axle spacing. The device is usable in both portable and fixed applications, due to its communication capabilities and rugged enclosure.〔 The unit was originally developed to provide secondary verification for intersection safety cameras deployed in the State of Victoria, Australia.〔(【引用サイトリンク】title=More safety cameras get green light )〕 It was first deployed in Australia in July 1998.〔(【引用サイトリンク】accessdate=2006-07-13 )〕 The unit was introduced to the North American market during the 2004 North American Travel Monitoring Exhibition and Conference (NAMTEC), and was first deployed in May 2006.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「TIRTL」の詳細全文を読む
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