Analysis of Headway Characteristics in Dissipating Queues

4th International Conference on Road and Rail Infrastructure (CETRA 2016)

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Title Analysis of Headway Characteristics in Dissipating Queues
Creator András Szele; Institute for Transportation Sciences
Árpád Barsi; Budapest University of Technology and Economics
Lajos Kisgyörgy; Budapest University of Technology and Economics
Subject headway; queue dissipation; queue discharge; image analysis; congestion management
Description Congestion related traffic flow management requires the thorough analysis of dynamics of queues to develop effective control strategies. Traffic operation of signalized intersections is often hindered by congestions. Queues cause an additional delay decreasing the capacity of the intersection, because in dissipating queues the headways are longer than in saturated flows. Thorough analysis of dynamics of queue development and dissipation is important, because precise estimation of start-up lost times of dissipating queues can help to minimize this capacity decrease due to the presence of queues. This paper analyzes the dynamics of queue dissipation and its major influencing factors. Queue dynamics data were collected in several locations in Budapest, Hungary using action cameras. We used exploratory data analysis to determine the principal components behind headway increments in dissipating queues and their importance. We identified those components which correlates to the traffic flow characteristics and can be influenced by traffic management tools.
Publisher CETRA 2016
Date 2017-02-28 15:15:42
Type Peer-reviewed Paper
Source CETRA 2016; 4th International Conference on Road and Rail Infrastructure
Language en
Rights Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference. <br /> <strong>b)</strong> Submitted full papers will be published in the book of proceedings "Road and Rail Infrastructure IV" as well as in digital form (on a CD). Conference organiser is allowed to publish author's names, institution and country as well as the paper abstract on the conference web site.

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