Navigation apparatus

摘要

A navigation apparatus, including a map data acquiring means 11a, 11, 12, and 5 for acquiring map data including car pool lane data, a current position determining means 13, 14, 15, and 10 for determining a current position, and a display unit 2 for generating and displaying a map of an area in a neighborhood of the determined current position on the basis of the acquired map data, is provided with a road information receiving means 16 for receiving road information in real time from outside the apparatus, a control unit 10 for, when the road information received by the road information receiving means shows that a traffic congestion has occurred in a highway in a traveling direction, judging whether a car pool lane is also provided in the highway on the basis of the map data acquired by the map data acquiring means, and an output means 2 and 4 for outputting a message showing whether or not there exists a car pool lane according to the result of the judgment by the control unit.

主权项

1. A navigation apparatus comprising:
a display; a processor; and a processor-readable memory having stored thereon instructions which, when executed by the processor, cause the processor to carry out the steps of:
acquiring map data including car pool lane data;determining a current position and a traveling direction;generating a map of an area in a neighborhood of the determined current position on a basis of the acquired map data, and displaying the generated map on the display;receiving traffic information from outside said navigation apparatus;judging whether traffic congestion has occurred in a highway extending forwardly in the traveling direction by using the received traffic information, and judging whether a car pool lane is provided in said highway as a part thereof using the acquired map data when judging that the traffic congestion has occurred; and outputting, in response to a judgment that traffic congestion has occurred, a message on the displayed map indicating traffic congestion ahead and car pool lane presence or absence information showing whether or not a car pool lane is provided in said highway according to a result of the judgment.