Safety impacts of bicycle infrastructure: A critical review |
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| Institution: | 1. Department of Traffic Management Engineering, Zhejiang Police College, Hangzhou 310053, China;2. College of Transportation, Jilin University, Changchun 130022, China;3. School of Psychology, Australian Catholic University, Sydney 2135, Australia;4. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China;5. Griffith School of Engineering, Griffith University, Gold Coast 4222, Australia;1. Department of Civil Engineering, University of Colorado Denver, P.O. Box 173364, Campus Box 152, Denver, CO 80217-3364, United States;2. Department of Civil Engineering, University of Colorado Denver, 1200 Larimer Street, Campus Box 113, Denver, CO 80217-3364, United States;3. Department of Civil Engineering, University of Colorado Denver, P.O. Box 173364, Campus Box 113, Denver, CO 80217-3364, United States |
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| Abstract: | Problem and methodThis paper takes a critical look at the present state of bicycle infrastructure treatment safety research, highlighting data needs. Safety literature relating to 22 bicycle treatments is examined, including findings, study methodologies, and data sources used in the studies. Some preliminary conclusions related to research efficacy are drawn from the available data and findings in the research.Results and discussionWhile the current body of bicycle safety literature points toward some defensible conclusions regarding the safety and effectiveness of certain bicycle treatments, such as bike lanes and removal of on-street parking, the vast majority treatments are still in need of rigorous research. Fundamental questions arise regarding appropriate exposure measures, crash measures, and crash data sources.Practical applicationsThis research will aid transportation departments with regard to decisions about bicycle infrastructure and guide future research efforts toward understanding safety impacts of bicycle infrastructure. |
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