Patent ID: 8700330
Filing Date: 2014-04-15
Classification: G01C,G06F,G09B

Abstract:
1. A vehicle navigation device, comprising: a map data base storing map data comprising links and attributes, said links representing road segments, wherein a first attribute is respectively assigned to a subset of said links to indicate that said links included in said subset include at least one express lane, and wherein a second attribute is respectively assigned to lanes of at least a fraction of said links included in said subset to indicate which lanes of the respective road segment are express lanes, said second attribute being different from said first attribute, and a processing unit coupled to said map data base and configured to perform a route search based at least on said first attribute and independently of said second attribute when a prefer or avoid option for express lanes is set, and to control outputting of route guidance information via a user interface based at least on said second attribute.