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The Effects of Gap Stability on Entrance Ramp Merging

This report analyzes freeway data from a moving merge control system in Tampa, Florida. The distribution of velocity at sensors in the roadway is plotted and compared to a normal distribution. The size of the gaps at each sensor are computed and compared to those at a sensor downstream. The distributions of the change in gap size are plotted for all gaps and then for gaps between the same pairs of vehicles, to determine the effects of prohibiting lane changing. The expected time of arrival of the gaps at a point downstream are computed, compared to the actual time of arrival, and distributions of the change in arrival times are plotted. Several algorithms are considered for scheduling ramp vehicles to intercept the gaps observed at a given sensor and compared to the actual time of arrival of the gaps at the merge point. The percentage of each gap available to the merging vehicle is computed and the distribution plotted for each algorithm.

Identiferoai:union.ndltd.org:ucf.edu/oai:stars.library.ucf.edu:rtd-1161
Date01 January 1975
CreatorsLane, Lyn Evalyn
PublisherFlorida Technological University
Source SetsUniversity of Central Florida
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceRetrospective Theses and Dissertations
RightsPublic Domain

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