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  1. F200 未来材料・システム研究所
  2. F200a 雑誌掲載論文
  3. 学術雑誌

Analysis of traffic flow with micro-cars with respect to safety and environmental impact

http://hdl.handle.net/2237/00030808
http://hdl.handle.net/2237/00030808
fea861da-8759-4c7f-b55f-0ff22ace1eb1
名前 / ファイル ライセンス アクション
Mu_and_Yamamoto_2019.pdf Mu_and_Yamamoto_2019 (3.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-10-15
タイトル
タイトル Analysis of traffic flow with micro-cars with respect to safety and environmental impact
言語 en
著者 Mu, Rui

× Mu, Rui

WEKO 93698

en Mu, Rui

Search repository
Yamamoto, Toshiyuki

× Yamamoto, Toshiyuki

WEKO 93699

en Yamamoto, Toshiyuki

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Micro-car
キーワード
主題Scheme Other
主題 Safety
キーワード
主題Scheme Other
主題 Emissions
キーワード
主題Scheme Other
主題 Simulation
キーワード
主題Scheme Other
主題 Cellular automaton model
抄録
内容記述 This study analyzes the characteristics of traffic flow in the presence of micro-cars in a vehicle mix. A two-lane multi-cell traffic cellular automaton (TCA) model is formulated to simulate mixed traffic flow comprising conventional passenger cars and micro-cars. The segments of an urban highway and arterial road, both with two lanes and measuring 700 m in length, are simulated; the latter includes an intersection delay with a signal cycle at the midpoint. Traffic flows with different proportions of micro-cars are investigated in the simulation. Four aspects of traffic conditions are calculated: the number of lane changes, the number of decelerations, the coefficient of speed variation (which may be indicative of safety performance), and the HC, CO, and NOx emissions (as a measure of environmental impact). The simulation results suggest that mixed flow with micro-cars leads to higher frequencies of lane-changing on both highways and arterial roads, although the incremental change on the latter is smaller. With the introduction of micro-cars on the highway, the frequency of decelerations increases in free flow and decreases in congested flow; however, on the arterial road, it decreases the frequency of decelerations and has an insignificant impact on free flow. The introduction of micro-cars has a similar impact on the coefficient of speed variation. Under free flow conditions on highways, the introduction of micro-cars has a negative influence on the three aforementioned parameters related to safety. However, for free flow on arterial roads or congested flow on highways and arterial roads, the results are inconclusive because the effect of micro-cars is contradictory in terms of the three parameters. Vehicle emissions, such as HC, CO, and NOx, increase during free flow on highways, but are always lower on arterial roads.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2021-06-01
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.tra.2019.03.013
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0965-8564
書誌情報 en : Transportation Research Part A: Policy and Practice

巻 124, p. 217-241, 発行日 2019-06
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