EXPRESSION METHOD OF ROAD-RELATED INFORMATION, DEVICE AND SYSTEM FOR IMPLEMENTING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a traffic information display method capable of presenting traffic information so that the reliability and superiority of the traffic information are quantitatively understood. SOLUTION: State quantity of the traffic information is expressed by state quantity of each sampling point set by sectioning a target road (a) and the traffic information is expressed by the state quantity of the traffic information and gray scale information (b) for displaying the reliability of the state quantity by multi-step. Thus, a user understands what degree of reliability the traffic information has and correctly evaluates the traffic information. In addition, highly precise route search is executed and the traffic information is provided at a reasonable charge by using the traffic information. COPYRIGHT: (C)2004,JPO&NCIPI