Article Title,Year,Volume,Issue,Page Range,Author Analysis of Environmental and Safety Effects on Freight Vehicle Traffic by Using Degital Taco-Meter with Talking Guidance,2009,65,3,293-302,Fujioka Optimization Model Analyses for the Optimal Railway Track Maintenance Schedule Considering Derailment Accident Risk,2009,65,1,26-38,Miwa Development of the Cruise-Assist System and Its Effects on the Improvement of Traffic Safety - - - 走行支援システムの開発と事故削減効果,2007,63,3,360-378,Yamada