NDLI: A before and after study for travel time of unconventional intersections using probe data

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A before and after study for travel time of unconventional intersections using probe data

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A before and after study for travel time of unconventional intersections using probe data

Content Provider	ACM Digital Library
Author	Stroila, Matei Macfarlane, Jane Xu, Bo
Abstract	In this paper we propose a method to evaluate the performance of an intersection using location traces collected from sampled vehicles. The performance is measured in terms of the times the vehicles spend traveling through the intersection. As a use case, we apply the method to conduct a before and after study for 1) two unconventional intersection projects including a continuous flow intersection (CFI) and a diverging diamond interchange (DDI), and 2) for two neighboring conventional intersections to factor out effects due to possible changes in the local traffic volume. The analysis shows that for the CFI project travel time is reduced after construction. On the other hand, we find two unexpected results: 1) for the DDI project, we observe an increase of travel time after construction and 2) for the CFI project, we find a decreased benefit during rush hours. We further translate the time reduction to economic benefit based on traffic volume and value of time to offer an understanding of ROI (Return on Investment) for the intersection modification construction costs.
Starting Page	54
Ending Page	63
Page Count	10
File Format	PDF
ISBN	9781450331388
DOI	10.1145/2674918.2674926
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2014-11-04
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Transportation project evaluation Intersection travel time Unconventional intersections Probe data Continuous flow intersection
Content Type	Text
Resource Type	Article

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