Effects of Heavy Vehicles on Traffic Flow Characteristics
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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TTC13_371
تاریخ نمایه سازی: 25 خرداد 1393
Abstract:
With attention to the increasing volumes of heavy vehicles, it is essential toexamine how the future road networks can deal with heavy vehicles. This studyuses detailed vehicle trajectory data recorded in congested traffic condition toanalyse the impacts of the existence of heavy vehicles in traffic stream on trafficcharacteristics. In particular the impacts of their existence wich influencesdriver’s car-following behaviour and consequently they have impacts on roadcapacity. This paper considered four car-following combinations including carfollowing-car (C-C), car-following-heavy vehicle (C-H), heavy vehiclefollowing-car (H-C), and heavy vehicle-following-heavy vehicle (H-H). Theimpacts were investigated with microscopic and macroscopic points of view. Theformer one analysed driver’s reaction time and subject vehicle acceleration; andthe later one investigated the headways between two successive vehiclesinvolved in following process. The study showed fundamental differencesamongst the car-following combinations and presented the impacts of existenceof heavy vehicles on road capacity.
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Authors
Kayvan Aghabayk
Research Scholar, Monash University, Australia
Majid Sarvi
Associate Professor, Monash University, Australia۲
William Young
Professor, Monash University, Australia۳
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