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発表 Assessment of Winter Road Traffic Performance using Taxi Probe Data

作成年度 2009年度
論文名 Assessment of Winter Road Traffic Performance using Taxi Probe Data
論文名(和訳) タクシープローブデータを活用した冬期道路交通の評価
論文副題
発表会 第13回PIARC国際冬期道路会議
誌名(No./号数)
発表年月日 2010/02/08 ~ 2010/02/11
所属研究室/機関名 著者名(英名)
寒地交通チーム宗広 一徳(MUNEHIRO Kazunori)
寒地交通チーム高橋 尚人(TAKAHASHI Naoto)
寒地交通チーム葛西 聡(KASAI Satoshi)
抄録
Traffic smoothness must be ensured through winter road management. The average travel speed is an index of traffic smoothness. In this study、 we used taxi probe data to obtain average travel speeds in the Sapporo urban area for a year、 and analyzed the relationship between the average travel speed and various winter weather and road surface conditions. Also、 we calculated the monetary value of the increase in average travel speed afforded by snow and ice control operations. We have been acquiring taxi probe data 365 days a year since 2001、 with the cooperation of a taxi company. Differences in average travel speed between the winter season and the non-winter season have been found to vary depending on weather and road surface conditions. Our survey has found that snow and ice control operations increase the average travel speed of road users. Improved average travel speed increases the benefit of the road for road users. Our cost-benefit analysis of snow and ice control operations for national highways in Sapporo found that the estimated benefit of snow and ice control operations exceeded the cost of such operations.
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