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Article
Suppressive Effect on Speed Reduction at Sag Sections by Utilizing Visual Illusions
Author(s)
Shuichi Matsumoto and Soshiro Ueki
Full-Text PDF XML 768 Views
DOI:10.17265/2328-2142/2017.02.001
Affiliation(s)
Department of Information Society, Faculty of Information and Communications, Bunkyo University, Kanagawa, 253-8550, Japan
ABSTRACT
Currently about 60% of traffic jams on express highways nationwide are
said to occur at sag sections, as traffic congestion at tollgates decreased
significantly with the introduction of electronic ETC (toll collection system). Therefore, in order
to further decrease traffic jams on express highways, there is an urgent need
to consider measures to reduce traffic congestion at sag sections. A wide
variety of hardware and software has been suggested to deal with traffic jams.
In this study, a measure for suppressing traffic congestion at sag sections has been proposed, expected to be low in
cost and readily installed, which utilizes optical illusions for
drivers. An experiment which
used a driving simulator resulted in a suggestion that setting gates at
incremental intervals at uphill sag sections resulted in suppression of speed
reduction in those sections.
KEYWORDS
Traffic flow, sag sections, illusion, driving simulator.
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