U.S. transportation agencies seek to improve the efficiency of winter maintenance operations by developing advanced systems and equipment. The Federal Highway Administration, American Association of State Highway and Transportation Officials, and National Cooperative Highway Research Program sponsored a scanning study of Japan to investigate advanced technologies for winter maintenance operations and implementation of those advances in Japan's intelligent transportation systems (ITS) architecture. The U.S. delegation visited Hakkaido, Japan, to review advances in winter operation procedures, winter maintenance equipment development, and road weather data collection. The team also observed that significant advances are being made in Japan on improving communication systems and protocols used between road weather information system sensors and operations centers.


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