Navigation apparatus, method and program for vehicle

Details Navigation apparatus, method and program for vehicle Navigation apparatus, method and program for vehicle

G - Physics

01

C

G01C 21/34 (2006.01) G01C 21/28 (2006.01)

Patent

CA 2556602

An onboard navigation apparatus provides travel guidance on a road including a plurality of roadways heading in the same direction. The road specifically includes a special roadway such as a carpool lane having no exits to other roads, an ordinary roadway having exits to the other roads and a predetermined traveling-path changing area provided as a sole area allowing a vehicle to change a traveling path thereof between the special roadway and the ordinary roadway. The apparatus determines a present position of a vehicle, determines whether the detected position is in the special roadway or in an ordinary roadway. The apparatus provides, in addition to normal travel guidance, information on the traveling-path changing area existing ahead of the vehicle on a display, when the detected position is in the special roadway.

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