As separated on-street bicycle lanes become increasingly common, many state departments of transportation (DOTs) and local agencies have installed them to address safety concerns and promote cycling. Research was needed to provide state DOTs with detailed information on the anticipated safety benefits of bicycle network design features across various contexts, the relationship between these features, and the risk of midblock (non-intersection) bicycle crashes.
NCHRP Research Report 1136: On-Street Bicycle Facility Design Features: A Guide, from TRB's National Cooperative Highway Research Program, presents a state-of-the-art, data-driven guide for selecting context-appropriate design features for safety improvements of separated and non-separated on-street bicycle lanes.
National Academies of Sciences, Engineering, and Medicine. 2025. On-Street Bicycle Facility Design Features: A Guide. Washington, DC: The National Academies Press.
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