NCHRP Synthesis 427: Extent of Highway Capacity Manual Use for Planning

KAI was responsible for preparing a literature review, as well as conducting a survey of practitioners across the United States, to assess how state DOTs, small and large metropolitan planning organizations, and local governments are using, or might use, the Highway Capacity Manual (HCM) for planning analyses. The research resulted in NCHRP Synthesis Report 427: Extent of Highway Capacity Manual Use for Planning. The report identified gaps in the HCM and its methods, related to their use in performance monitoring, problem identification, project prioritization, programming, and decision-making processes.