Circulatory Markings at Double-Lane Traffic Roundabout: Comparison of Two Marking Schemes
Publication: Journal of Transportation Engineering
Volume 134, Issue 9
Abstract
This paper compares two types of circulatory markings at a double-lane traffic roundabout: the concentric marking scheme and the Alberta marking scheme. The effects of these two marking schemes on drivers’ lane choice behavior, delay, and safety, are compared based on data collected from before and after field surveys over a period of . The results showed that the Alberta marking scheme could better balance the traffic flows on the two circulatory lanes, resulting in higher performance levels.
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Acknowledgments
This paper is partially funded by the Competitive Earmarked Research Grants from the Research Grants Council of the Hong Kong Special Administrative Region (Grant Nos. HKUST6283/04E and HKU7176/07E). The writers wish to thank three anonymous reviewers for their valuable comments and suggestions.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 134 • Issue 9 • September 2008
Pages: 378 - 388
Copyright
© 2008 ASCE.
History
Received: Jan 30, 2007
Accepted: Feb 1, 2008
Published online: Sep 1, 2008
Published in print: Sep 2008
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