Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 563, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physa.2020.125495
Keywords
Bus bay; The adjacent lane near the bus bay; The speed interference caused by buses; Cellular automata model; Traffic conflict
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Funding
- National Key Research and Development Program of China [2016YFE0206800]
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This paper investigates the impact of bus bays on traffic flow in adjacent lanes, showing that the entry and exit of buses can negatively affect both the traffic efficiency and safety in the adjacent lane.
As urban roads are becoming more congested, bus travel is becoming increasingly popular in China. Numerous studies have shown that bus stop always has great effect on traffic flow near the bus stop. In this paper, the influence of bus bay on traffic flow in adjacent lane is studied. Based on the well-known KKSW (Kerner-Klenov-Schreckeneberg-Wolf) CA (cellular automaton) model, a new KKSW-BB (Bus Bay) CA model is proposed to simulate heterogeneous traffic flow composed of passenger cars and buses near a bus bay. Through numerical simulation, the traffic flow characteristics in adjacent lane are studied in the framework of Kerner's three-phase traffic theory. The frequency and severity of rear-end collisions are analyzed to research the influence of bus bay on traffic safety in adjacent lane. The results show that both the traffic efficiency and safety in adjacent lane can be negatively affected by the buses entering and leaving the bus bay. (C) 2020 Elsevier B.V. All rights reserved.
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