Identification of Factors that May Affect the Discharge Flow at a Bottleneck

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• 作者：Daisuke Yamaguchi^a ; ^{yamaguchi-di@oriconsul.com" class="auth_mail" title="E-mail the corresponding author} ; Takashi Okano^b ; ^{t.okano85@shutoko.jp" class="auth_mail" title="E-mail the corresponding author} ; Hajime Sudo^c ; ^{h.sudo117@shutoko.jp" class="auth_mail" title="E-mail the corresponding author} ; Masahiko Kobayashi^d ; ^{m.kobayashi1361@shutoko.jp" class="auth_mail" title="E-mail the corresponding author} ; Takayuki Ogihara^e ; ^{t.ogihara21@shutoko.jp" class="auth_mail" title="E-mail the corresponding author} ; Norihiro Izumi^f ; ^{izumi@oriconsul.com" class="auth_mail" title="E-mail the corresponding author} ; Atsushi Tanaka^g ; ^{tanaka-at@oriconsul.com" class="auth_mail" title="E-mail the corresponding author} ; Toshio Yoshii^h ; ^{yoshii@cee.ehime-u.ac.jp" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Capacity ; Traffic Congestion ; Urban Expressway
• 刊名：Transportation Research Procedia
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：15
• 期：Complete
• 页码：356-365
• 全文大小：780 K

文摘

This study investigates various factors that cause the reduction of discharge flow at a bottleneck on an urban expressway. The current worst bottleneck on Tokyo Metropolitan Expressway Network seems to be combined complicate factors that affect the discharge flow at the bottleneck. 5 causing factors, merging ratio, longitudinal gradient, duration time involved in congestion, environment of backlight and brightness are considered, and the impact of these 5 causing factors are investigated. Then the results supported the hypothesis that all of the 5 causing factors affect the discharge flow rate.