Vehicle navigation using timed turn and timed lane restrictions

G - Physics – 08 – G

Patent

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Details

G08G 1/09 (2006.01) G01C 21/34 (2006.01) G08G 1/0962 (2006.01) G08G 1/137 (2006.01)

Patent

CA 2302462

Methods and apparatus for planning an optimum vehicle route from a selected origin (O) to a selected destination (D) with a selected departure time, taking account of the presence of timed turn restrictions (TTR) and/or timed lane restrictions (TLR). Separate methods are provided for recalculation of a suitable route remainder, where an unanticipated timed turn or timed lane restriction or other traffic obstruction, such as a vehicle accident, is encountered enroute. Computations for an optimum route can be performed at the vehicle (21) or at a station (30) that communicates with the vehicle.

La présente invention concerne des procédés et des appareils destinés à établir un itinéraire optimal pour un véhicule comportant un point de départ, un point de destination et une heure de départ sélectionnés, en prenant en considération les limitations ponctuelles pour les changements de direction et/ou sur les voies de circulation. Des procédés séparés sont utilisés pour recalculer un itinéraire approprié pour le reste du trajet quand on rencontre des limitations ponctuelles lors d'un changement de direction ou sur les voies de circulation, ou lorsqu'on est en présence d'obstacles inattendus liés au trafic routier, tels que les accidents de voitures. L'itinéraire optimum peut être calculé à partir du véhicule (21) ou d'une station (30) communicant avec le véhicule.

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