Presentation 2008-07-28
Improvement of Advanced Demand Signals II scheme and its Performance Evaluation
Toshimasa ASO, Takaaki HASEGAWA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) This paper describes improvement of the advanced demand signals II (ADS-II) scheme and performance comparisons between the conventional ADS-II scheme, the improved ADS-II scheme and a basic coordinated control scheme. After the priority of long idling users and the control of the pedestrian red/green right-turn arrow indication and the pedestrian red/vehicular green indication by using calculated demand values based on the idling times are introduced to the conventional ADS-II scheme, the definition of the coordination with adjoining intersections is modified. Additionally, the performance of the improved ADS-II scheme is compared with that of the conventional ADS-II scheme and that of the coordinated control scheme, and the results show that the improved ADS-II scheme is superior. In particular. from the results of simulations under the condition that an average vehicular headway time of a main roadway per lane, that of the intersecting roadways per lane and an average pedestrian generation interval are 10s, 20s and 200s, respectively, in a street with 3 lanes, it is shown that the average idling time per person of the coordinated control scheme and that of the conventional ADS-II scheme approximately are reduced by 40% and by 30%, respectively.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Advanced Demand Signals II (ADS-II) Scheme / Idling Time / Performance Evaluation
Paper # ITS2008-18
Date of Issue

Conference Information
Committee ITS
Conference Date 2008/7/21(1days)
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Paper Information
Registration To Intelligent Transport Systems Technology (ITS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Improvement of Advanced Demand Signals II scheme and its Performance Evaluation
Sub Title (in English)
Keyword(1) Advanced Demand Signals II (ADS-II) Scheme
Keyword(2) Idling Time
Keyword(3) Performance Evaluation
1st Author's Name Toshimasa ASO
1st Author's Affiliation Graduate School of Science and Engineering, Saitama University()
2nd Author's Name Takaaki HASEGAWA
2nd Author's Affiliation Graduate School of Science and Engineering, Saitama University
Date 2008-07-28
Paper # ITS2008-18
Volume (vol) vol.108
Number (no) 171
Page pp.pp.-
#Pages 6
Date of Issue