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http://dx.doi.org/10.12815/kits.2020.19.5.52

A Study on the Impacts of Truck Platooning on Freeway Traffic-Flow and the Effect of Dedicated Lane  

KIM, Joohye (Dept. of Environmental Planning, Graduate School of Environmental Studies, Seoul National University)
Lee, YoungIhn (Dept. of Environmental Planning, Graduate School of Environmental Studies, Seoul National University)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.19, no.5, 2020 , pp. 52-69 More about this Journal
Abstract
Considering the need for an infrastructure-level review, this study analyzed the impact of truck platooning on freeway traffic flow and the effect of dedicated lanes based on domestic road and traffic conditions. According to the study, the higher traffic volume and truck ratio, the higher ratio of platoons and the greater size of platoons are formed, which results in greater effect of increasing the average speed of the network. Therefore, the routes with heavy traffic and heavy cargo traffic could be positively considered for truck platooning. However, the analysis showed that the effect of increasing the average speed of the entire network is difficult to expect in the event of a queue due to entry and exit, and that the overall network's throughput could be reduced. Therefore, traffic operation strategies associated with the access road, such as securing capacity of the connection, are needed to maximize the effect of truck platooning. When it comes to the effect of dedicated lane, it could have a positive effect only if one lane was fully operated by automated trucks under the condition of 100% MPR, which allowed positive effects in all aspects, such as higher average speed, throughput, and reduced conflict rates.
Keywords
Truck Platooning; Automated Driving; CACC; Dedicated Lane; Freeway;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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