Hisaji FUKUDA
This system is configured by the following two subsystems : (i) traffic folw analysis simulation unit and (ii) visuality analysis simulation unit. (i) models structurally and mathematically, and analyzes quantitatively the traffic flow around a level crossing, being mainly composed of railway-train block, road-car block and a level crossing control block. It is available for grasping relations between traffic situation such as traffic jam and countermeasure, and for performing risk assessment. (ii) helps human sensitivity assessment about visuality, safety feeling/deterrent feeling and amenities/comfortability, which is difficult to attain by (i), using 3DCG(3-dimensional computer graphics). It is applicable for visuality assessment of level crossing or sign by change of viewpoint, design simulation and reproduction of accident scene ( Fig, 1, Fig. 2).
This system is combined with database on level crossings which amount to 40,000 all over the country, and is available for not only genaral analysis but also individual analysis. Furthermore it is useful for evaluation from separate standpoints of railway authority, road administrator and car driver; and from overall standpoint.