NAVIGATION SYSTEM, NAVIGATION METHOD, AND NAVIGATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a navigation system capable of obtaining information on a toll of a toll road even if a guide route having the current position as a departure place is searched for in the state in which the current position of a vehicle is on the toll road.SOLUTION: A navigation system comprises: a communication information acquisition unit for acquiring communication information between a roadside communication device and a vehicle side communication device in a toll road automatic toll collection system; an entry point identification unit for identifying an entry point to a toll road during travelling on the basis of the communication information; and a toll information acquisition unit for acquiring information on the toll on the basis of the entry point identified by the entry point identification unit and an exit point if a guide route having the current position as a departure place is searched for in the state in which the current position is on the toll road.SELECTED DRAWING: Figure 3