Variable speed limit system

G - Physics – 08 – G

Patent

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Details

G08G 1/01 (2006.01) G08G 1/09 (2006.01)

Patent

CA 2444144

A variable speed limit work zone safety system is provided herein. It includes at least two spaced-apart stations. Each station includes a plurality of sensors to gather information relative to at least one of traffic flow and road conditions. The station includes a controller which is programmed to analyse data which is received from the sensors and to derive, therefrom, an optimum speed limit at a selected location adjacent to, or in, the work zone. The station further includes a communication sub-system to communicate data related to the optimum speed limit to a message board to display the optimum speed to motorists.

La présente invention concerne un système de vitesse-limite variable pour la sécurité d'une zone de travail. Le système comprend au moins deux postes espacés. Chaque poste comporte une pluralité de capteurs pour recueillir de l'information relative à au moins le flux de trafic ou les conditions routières. Le poste est doté d'un contrôleur qui est programmé pour analyser les données reçues à partir des capteurs et dériver une vitesse-limite optimale à un emplacement sélectionné adjacent à la zone de travail ou à l'intérieur de celle-ci. Le poste comprend également un sous-système de communication qui transmet les données liées à la vitesse-limite optimale à un panneau de message pour afficher la vitesse optimale aux automobilistes.

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