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http://dx.doi.org/10.12815/kits.2012.11.2.057

Effectiveness Assesment of Bus Signal Priority Systems  

Lee, Ho-Joon (아주대학교 ITS대학원)
Lee, Sang-Soo (아주대학교 환경건설교통공학과)
Lee, Choul-Ki (아주대학교 환경건설교통공학과)
Kim, Nam-Sun (경찰대학 치안정책연구소)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.11, no.2, 2012 , pp. 57-66 More about this Journal
Abstract
This study intended to evaluate the operational performance change from the introduction of the bus signal priority system using the field data. To complete the objective, travel time and volume data were collected from the before and after study, then the distribution of individual vehicle's travel time and the difference of travel time and traffic volume were compared respectively. Analysis results showed that no significant volume change was observed from both passenger vehicle and bus for the major and cross streets. It was identified that the quality of travel time distributions of passenger vehicle and bus was improved after introducing the bus signal priority system. In terms of average speed, passenger car in a major direction increased by 6.5% and bus increased by 10.5% in general. Statistical tests showed that those speed differences were statistically significant at the 95% of confidence level. The results of this paper will be a good source for further research in the area of bus signal priority control.
Keywords
Bus signal priority; DSRC; travel time; traffic volume; distribution;
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