Patent ID: 7124025

Claim:
A navigation device in a vehicle, the device comprising: a map data storage unit for storing map data including information of a traffic direction of a lane; a position detector for detecting a current position of the vehicle; an input unit for inputting an instruction of route designation; and a route designation unit for executing route designation including computation of a route to a destination to designate the route based on a start point and for including an intersection determining unit for determining, when the vehicle travels a lane, when the instruction is inputted via the input unit, whether an intersection being a target for route designation is present close to the current position, a lane determining unit for determining, when the intersection for the target is determined to be present, whether the traveled lane is a traffic directed lane that includes a traffic direction, and a start point defining unit for defining, when the traveled lane is determined to be the traffic directed lane, the start point as an exit of the intersection reached by following the traffic direction included in the traffic directed lane; and a navigation unit for navigating along a route designated by the route designation unit.