Analysis on the Variation of Left-turning Vehicle Spatial Trajectories Inside Intersections
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概要
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Although several safety countermeasures such as reforming intersection layouts have been implemented, methods to evaluate their effects prior to installation has not yet been established. One of the important safety issues at signalized intersections is the interaction between left-turning vehicles (left-hand traffic) and pedestrians/cyclists. This paper aims to analyze and model the trajectory variations of left-turning vehicles. Vehicle trajectories are collected at several signalized intersections with various traffic and geometric characteristics by video observations. The analysis reveals a significant variation in trajectories depending on intersection angle, number of exit lanes and vehicle type. For modeling individual vehicle trajectories and their distribution, the Euler-spiral-based approximation methodology is applied. Model validation showed that estimated trajectory distributions explain well the spatial maneuver of left-turning vehicles.
著者
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Nakamura Hideki
Department of Cardiovascular Medicine, Abashiri Kohsei General Hospital
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ASANO Miho
Department of Civil Engineering, Nagoya University
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ALHAJYASEEN Wael
Department of Civil Engineering Nagoya University
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SUZUKI Kazufumi
National Institute for Land and Infrastructure Management
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ASANO Miho
Department of Civil Engineering Nagoya University
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