United States Department of Transportation
i
Improved simulation of driver behavior : modeling protected and permitted left-turn operations at signalized intersections.
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2011-04-01
[PDF-1.17 MB]
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Abstract:"This report documents the findings from a research project that is focused on modeling protected and permitted left-turn operations at signalized intersection approaches. The project‟s primary objective is to document the microscopic characteristics of protected and permitted left-turn operational parameters at signalized intersections using the NGSIM datasets. The microscopic characteristics of the following parameters are investigated and documented as part of the project: vehicle turning path, start-up lost time, saturation flow rate, and speed and time headway profiles along the turning path. While the sample size for some of the cases might not be large enough to allow for full statistical analysis, the data presented in this report provides insights on different elements of driver behavior as it relates to left-turn operations."
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