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Evaluation of the Impact of Advisory Variable Speed Limits on Motorway Capacity and Level of Service
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
2011 (English)In: 6TH INTERNATIONAL SYMPOSIUM ON HIGHWAY CAPACITY AND QUALITY OF SERVICE, Elsevier, 2011, 100-109 p.Conference paper (Refereed)
Abstract [en]

Variable Speed Limits (VSL) have been introduced to improve the operations of freeway facilities under congested conditions. Experience indicates that the impacts of VSL on traffic performance and safety might be higher if the displayed speed limits were mandatory instead of recommended. This paper focuses on the impact of advisory VSL and proposes a statistical methodology for the comparison of traffic conditions before and after the implementation of VSL using the prevailing flow-density relationships. A case study, with data collected from the E4 motorway in Stockholm, is used to illustrate the methodology and evaluate the impact of advisory VSL. The results indicate that the advisory VSL had no significant impact on traffic conditions, both immediately after the implementation and several months later.

Place, publisher, year, edition, pages
Elsevier, 2011. 100-109 p.
, Procedia Social and Behavioral Sciences, ISSN 1877-0428 ; 16
Keyword [en]
Motorway Control System, Mainline Control, Variable Speed Limits, Driver Behavior, Evaluation, Intelligent Transport Systems
National Category
Transport Systems and Logistics
URN: urn:nbn:se:kth:diva-76753DOI: 10.1016/j.sbspro.2011.04.433ISI: 000298556100010ScopusID: 2-s2.0-79960042078OAI: diva2:491126
6th International Symposium on Highway Capacity and Quality of Service, ISHC 2011; Stockholm; 28 June 2011 through 1 July 2011
TrenOp, Transport Research Environment with Novel Perspectives
QC 20120216Available from: 2012-02-06 Created: 2012-02-06 Last updated: 2012-06-11Bibliographically approved

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ReferencesLink to record
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