Patent ID: 8510038

Claim:
A route guidance system comprising: a current position detecting unit that detects a current position of a vehicle as a vehicle position; a display condition determination processing unit that determines, for each of pieces of lane data that correspond to a lane list display section set in a forward direction of the vehicle position, whether a display condition under which a lane list is to be created is satisfied, based on the pieces of lane data; a display setting processing unit that sets a piece of the lane data that satisfies the display condition as a display target; a list display processing unit that displays the lane list based on the piece of the lane data that has been set as the display target and displays the detected vehicle position on the lane list; a vehicle position display determination processing unit that determines whether the vehicle position is located in a lane corresponding to the piece of the lane data that has been set as the display target; and a vehicle position moving processing unit that, in a case where the vehicle position is not located in the lane corresponding to the piece of the lane data that has been set as the display target, moves the vehicle position into a lane corresponding to a piece of lane data that has continuity.