| 摘要 |
PURPOSE: To provide the road guide device which outputs necessary driving times together with routes up to a destination and enables a route up to the destination to properly be selected. CONSTITUTION: An information retrieval device 13 inputs a starting point, a destination, a desired driving time, etc., through a menu, etc., displayed on a display 11, a computer 12 calculates driving times together with plural courses up to the destination on the basis of data stored in a data base 14, data corresponding to date and time conditions from a condition data generating device 15, and traffic congestion information, etc., inputted from a communication device 16, and an information output device 17 prints them out. Therefore, a user can optionally select a route on the basis of the courses to the destination and the required driving times of the respective routes. |
