Guide route search device and guide route search method

There are provided a guide route search device and a guide route search method for searching a guide route via a plurality of points as well as a computer program for realizing the method. A guide route satisfying the route point condition such as a stay time at each point is searched. According to another aspect of the invention, after searching a guide route, an operator can perform a correction such as addition, deletion, or modification of the route points or rearrangement of the arrival order at the points. It is possible to judge whether the guide route after the correction satisfies the route point condition. According to still another aspect of the invention, a guide route is superimposed together with the current position on the map image. The map color and/or brightness is changed according to the arrival time at a route point.