Development and evaluation of infrastructure strategies for safer cycling.
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2017-01-01
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Abstract:In recent years there has been an increasing number of recreational and bicycle
commuters in the United States. Although bicycle users still represent a very small mode
share, municipalities have been attempting to further encourage the health, economic,
and environmental benefits of cycling by implementing new and innovative bicycle
infrastructure treatments. However, many of these treatments have only been recently
implemented in a few locations and are often constructed with little or no understanding
of their effects on user behavior. Currently, there is a substantial amount of research
investigating bicyclist behavior, as well as operations and safety from the cyclists’
perspective of such innovative treatments. However, there is little research conducted
from the drivers’ perspective towards cyclists and bicycle infrastructure. With
approximately 75 percent of all bicycle-vehicle crashes occurring at intersections, there
especially is a need to investigate driver behavior at intersections with unfamiliar bicycle
treatments. This project report provides an in-depth evaluation of driver behavior from
the driver’s perspective when approaching new and unfamiliar bicycle infrastructure
intersection treatments. It utilizes a driving simulator as well as participant
questionnaires to determine whether any patterns or causalities exist between bicycle
infrastructure treatments and driver behavior. The results of this study indicate that there
is a correlation between driver behavior and the level of familiarity with bicycle
infrastructure treatments as well as cycling experience. This in-depth study can help
inform design, education, or other countermeasures for safer operations.
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