Patent ID: 8335644

Claim:
A navigation apparatus comprising: a traffic jam information obtaining unit configured to obtain traffic jam information; a display control unit configured to perform a control to display a traffic jam guide image showing traffic jam conditions of a plurality of road sections ahead of a current location of a vehicle in an order of closeness to the current location together with a map image based on the traffic jam information obtained by the traffic jam information obtaining unit during a guidance of a guide route from the current location to a destination; an operation reception unit configured to receive an operation performed on a touch screen by a user when the map image and the traffic jam guide image are displayed by the display control unit; a search condition setting unit configured to, based on the operation received by the operation reception unit, determine a road section for which a search condition is to be changed, to set the determined road section as an object road section, and to set the search condition in the object road section; and a guide route search unit configured to change the search condition in the object road section according to the search condition set by the search condition setting unit and then search for a second guide route from the current location to the destination; wherein the plurality of road sections displayed on the traffic jam guide image are the road sections among a plurality of interchanges on an expressway included in the guide route, and wherein in a case where one of the interchanges is specified by the operation received by the operation reception unit among the plurality of interchanges, the search condition setting unit is configured to determine the road section from the specified interchange to the destination to be the object road section and is configured to set the search condition in the determined object road section to prefer open roads.