Analysis of trends underlying urban/regional impacts of traffic growth

Reginald R. Souleyrette, Zachary N. Hans, William L. Garrison, Lorne Wazny

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


National and state data verify that the growth of highway vehiele traffic exhibits self-limiting characteristics (travel and population growth rates arc becoming more and more similar due to saturation of the automotive market). However, the implications of these characteristics for delays at the regional or metropolitan level depend on changing trip lengths and spatial distributions. To avoid treating all regional travel growth the same. as do current national policies, four scenarios arc examined: uniform travel growth. random travel growth, growth in congested areas, and growth in uncongested areas. The scenarios arc tested using an Urban Transportation Planning System-based model modified for this study. The scenario analyses indicate widely varying manifestations of increased travel on delay. They suggest that policies that treat all travel growth the same might be more effective if modified to renect underlying trends and alternative planning strategies.

Original languageEnglish
Pages (from-to)158-171
Number of pages14
JournalJournal of Urban Planning and Development
Issue number4
StatePublished - Dec 1995

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geography, Planning and Development
  • Development
  • Urban Studies


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