This feature discusses the implications of the issues in metropolitan transportation decision-making and the ability of available benefit-cost analysis tools to address the issues. It alerts practitioners to several areas related to estimation of traveler mobility benefits. The illustrations demonstrate that benefit estimates may be exaggerated by using an inappropriate No Build base for comparison with the improvement alternative, by ignoring the impact of induced travel, by using speeds output by travel models to represent average daily travel speeds, or by ignoring congestion on links providing access to the improved link. On the other hand, using "vehicle-hours saved" as a measure of mobility benefits can underestimate benefits; and when systemwide analysis is not done for major improvements, the analyst can miss significant benefits to travelers who do not use the improved corridor.

  • Availability:
  • Corporate Authors:

    Institute of Transportation Engineers (ITE)

    Washington, DC  United States 
  • Authors:
    • DeCorla-Souza, P
  • Publication Date: 2000-2


  • English

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00790730
  • Record Type: Publication
  • Files: TRIS, ATRI
  • Created Date: Apr 27 2000 12:00AM