Assessing Interactions Between Access Management Treatments and Multimodal Users (2018) / Chapter Skim
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Pages 45-49
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From page 45... ...
45 C H A P T E R 5 : C O N C L U S I O N S A N D S U G G E S T E D R E S E A R C H Conclusions and Suggested Research Introduction This chapter describes the conclusions and suggested research to be undertaken at a future time. The first section summarizes the important findings and the conclusions reached during the course of the project.
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From page 46... ...
46 The top AM techniques identified as needing additional analysis (with regard to their interaction with the safety and/or operational performance of non-auto modes) across all respondents are identified in the following list: Manage spacing of traffic signals; Install non-traversable medians; Manage the location and spacing of unsignalized access; and Install roundabout.
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From page 47... ...
47 Two-Way Left-Turn Lane and Non-Traversable Median To facilitate the evaluation of the three techniques associated with median type, performance relationships were developed for the following median-type, travel mode, and performance measure combinations: For streets with a TWLTL: o Model to predict bicycle speed o Model to predict truck speed o Model to predict transit crash frequency o Model to predict truck crash frequency For streets with a NTM: o Model to predict bicycle speed o Model to predict truck speed o Model to predict transit crash frequency o Model to predict truck crash frequency These models predict the safety or operational performance of the specified travel mode as a function of street segment design elements, traffic characteristics, or signal control settings. Two equations (one for NTM and one for TWLTL)
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From page 48... ...
48 Suggested Research A list of 74 AM techniques was identified for this research project. A review of the literature on each technique was conducted to determine the extent to which quantitative information was available that described the effect of the technique on the safety and operation of the pedestrian, bicycle, transit, and truck travel modes.
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From page 49... ...
49 Finally, it is noted in Chapter 1 (in the section titled Direct Effect of a Technique) that the research conducted to date has focused on quantifying the "direct" effect of the AM technique (i.e., the effect when a specific technique is implemented in isolation of other techniques)
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