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http://dx.doi.org/10.7470/jkst.2013.31.5.003

A Study on Variable Speed Limit Strategies in Freeway Work Zone Using Multi-Criteria Decision Making Process  

Park, Juneyoung (Graduate School, University of Central Florida)
Oh, Cheol (Department of Traffic and Logistics Engineering, Hanyang University)
Chang, Myungsoon (Department of Traffic and Logistics Engineering, Hanyang University)
Publication Information
Journal of Korean Society of Transportation / v.31, no.5, 2013 , pp. 3-15 More about this Journal
Abstract
The purpose of this study is to propose a methodology for operating variable speed limit (VSL) strategies in freeway work zones. A notable feature in this study is to incorporate a multi-criteria decision making process into deriving better VSL strategies. Decision criteria in this study include operational efficiency, safety, and environmental impacts. Travel speed, acceleration noise, and CO2 were used as performance measures for evaluating VSL strategies. A multi-criteria value function was developed through an analytical hierarchical process (AHP) for representing expert's knowledge. Then, a variety of VSL operations scenarios were investigated utilizing a microscopic traffic simulation suite, VISSIM. The proposed methodology would be useful in supporting more efficient, safer, and more environment-friendly traffic operations and control in freeway work zones.
Keywords
Hierarchy Process; Multi-criteria Decision Making; Variable Speed Limit(VSL); VT-MICRO Model; Work Zone AHP;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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