Patent ID: 8666662
Filing Date: 2014-03-04
Classification: G01C,G08G

Abstract:
1. A navigation device comprising: a map data processing unit for acquiring map data from a map data storage unit; a high occupancy vehicle (HOV) lane entrance/exit section determining unit for, when HOV lane position information defining a position of an HOV lane and lane information defining lanes are included in link data included in the map data acquired by said map data processing unit, determining whether or not a vehicle can make a lane change between the HOV lane and either a right-hand side lane to right of the HOV lane shown by said HOV lane position information or a left-hand side lane to left of the HOV lane on a basis of said lane information, and determining that there is an HOV lane entrance/exit section when determining that the vehicle can make a lane change between the HOV lane and either the right-hand side lane or the left-hand side lane; and an HOV lane entrance/exit section storage unit for storing HOV lane entrance/exit section information showing the HOV lane entrance/exit section determined by said HOV lane entrance/exit section determining unit.