TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 427: Extent of Highway Capacity Manual Use in Planning assesses how state departments of

"This new edition of the HCM adds a subtitle: A Guide for Multimodal Mobility Analysis. This underscores the HCM's focus on evaluating the operational performan

Since 1950, the Highway Capacity Manual has been a standard used in the planning, design, analysis, and operation of virtually any highway traffic facility in t

Since 1950, the Highway Capacity Manual has been a standard used in the planning, design, analysis, and operation of virtually any highway traffic facility in t