A Practical Study on Sophistication of Winter Road Management

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  • 冬期路面管理の高度化に関する実践的研究

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Hokkaido has severe winter climate conditions. During wintertime, traffic performance on roadways is deteriorated. So, keeping traffic performance on roadways during wintertime is an important theme. With the limitation of the budgets and fear for environmental influence, it is necessary to conduct winter road management more efficiently. Currently, winter road conditions are experientially and subjectively evaluated.<br> In this research, we tried to develop an estimation method of road surface temperature and quantitative evaluation of the friction of road surface conditions in order to make decisions on winter road management properly. Moreover, we tried conducting performance measurement on winter road management.

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