"This report develops standardized descriptions of the dimensions of the freight transportation system, defines freight mobility constraints in a multimodal context, provides criteria for low-cost and quickly implementable improvements to address the constraints, and provides a software tool (CRP-CD-87) to help decision makers in evaluating constraints and selecting appropriate improvements. The report will enable both the public and private sectors to benefit from operational improvements, organizational changes, and other low-cost ways to address freight-system mobility constraints."--pub. desc.