Development of a Comprehensive Framework for Managing Decisions Regarding Highway Bypasses

Highway bypasses allow through traffic to travel around communities with minimal time delays. Since 1964, Iowa has constructed bypasses to divert traffic around almost 50 cities and towns, but more recently, has reversed course. The reversal is driven primarily by concerns of both citizens and businesspersons that they will draw business out of town - despite research indicating that bypasses appear to have much less impact on communities than is generally feared. Even though considerable research has been done on the economic impacts of bypasses, there is a surprising lack of research on the safety impacts. This project is intended to fill the gaps in the research literature and will result in a comprehensive assessment of bypass impacts and a policy framework regarding when it is prudent to bypass.


  • English


  • Status: Completed
  • Sponsor Organizations:

    Iowa Department of Transportation

    800 Lincoln Way
    Ames, IA  United States  50010

    Midwest Transportation Consortium

    Iowa State University
    Ames, IA  United States  50010-8664
  • Performing Organizations:

    Iowa State University, Ames

    Center for Transportation Research and Education
    2711 South Loop Drive, Suite 4700
    Ames, IA  United States  50010-8664
  • Principal Investigators:

    Plazak, David

  • Start Date: 20070301
  • Expected Completion Date: 0
  • Actual Completion Date: 20111231
  • Source Data: RiP Project 14342

Subject/Index Terms

Filing Info

  • Accession Number: 01460289
  • Record Type: Research project
  • Source Agency: Midwest Transportation Consortium
  • Created Date: Jan 3 2013 1:22PM