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Non-Optimal Usage and Perception of a Protected Intersection for Bicycling and Walking, Salt Lake City, UT
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2019-11-01
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[PDF-3.85 MB]
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Edition:Jul 2018 to Nov 2019
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Abstract:This paper examines a before-and-after case study of a protected intersection in Salt Lake City, Utah. The intersection was completed in late 2015 and represents one of the first examples of a protected intersection in North America. This research aims to determine the impact of new intersection configurations on separated bike lanes in regard to perceived safety, ridership, and travel behavior. This study showed that there was little change in the use of people walking and bicycling after the implementation of a protected intersection in Salt Lake City although there was significant growth in scooter usage attributable to the introduction of shared e-scooter systems. Also, many non-optimal behaviors were reduced after the new configuration was deployed, including bicyclists crossing in the crosswalk, bicyclists crossing in streets, bicyclists stopping in the wrong place, and pedestrians stopping in the wrong place. The interview results showed that businesses expressed a relatively favorable perception of the protected intersection in both pre- and post-implementation periods while there were concerns about design elements, educating users about the appropriate ways to use the intersection, and the interaction between different active modes of transportation. This case study gives some evidence that a protected intersection can have positive effects on active transportation behaviors, and perceived safety in a U.S. context.
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