Development, Evaluation and Application of Left Turn Signal Warrants PDF Download

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Development, Evaluation and Application of Left Turn Signal Warrants

Development, Evaluation and Application of Left Turn Signal Warrants PDF Author: Jonathan Upchurch
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 220

Book Description
This study dealt with five types of left turn signal phasing: permissive, leading exclusive, lagging exclusive, leading exclusive/permissive, and lagging exclusive/permissive. The objectives of this research project were to: (1) develop a research work plan to conduct a statistically valid study for the development of numerical warrants for left turn movements; and (2) prepare a database of available information on signalized intersections and select the intersections to be used in the future study. This report describes the database of Arizona signalized intersections created in this project, the findings on left turn accident rates for different types of left turn phasing (using a nonrandom sample), and results of a validation study of the TEXAS computer simulation model. It also presents a research work plan for a future research project.
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