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26 March 2014



Citilog and Signal Group sign strategic alliance

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Daily News
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Citilog Signal Group Jean-Marie Guyon Rolando Garcia
Jean-Marie Guyon of Citilog (left) and Rolando Garcia of Signal Group
France’s Citilog and Signal Group of the US yesterday signed a ‘strategic alliance’ to combine their technologies, with the aim of delivering advanced ITS video analytics solutions to the North American market.

Citilog will combine its capabilities in video analytics with Signal Group’s expertise in traffic controllers, with the first product designed to reduce traffic waiting times at intersections through the integration of real-time queue length calculation into adaptive intersection control.

“The video analytics will give us more information about live, real-time conditions of vehicles queued waiting and allow the intersection controller to make real-time adaptive decisions to help the driving public,” said Jean-Marie Guyon, Citilog’s sales and marketing manager.

The system will allow traffic light sequences to be adjusted to reduce queues; there will, for example, be fewer ‘wasted greens’, where the light signals ‘go’ but there are no cars to take advantage of it.

Additionally, said Ray Deer, Signal Group’s chief technology officer: “With the camera systems we are able to calculate cumulative delay, rather than just mere presence detection. We can look back 250 metres [from the intersection] and calculate how long cars have been waiting.”

The sensor can then tell the controller what is happening, with the software processing the data and making decisions to alter the sequence or timing of the lights.

The agreement should be operational by late summer.
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