Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Land Use–Transportation Scenarios and Future Vehicle Travel and Land Consumption: A Meta-Analysis
Problem: Since the late 1980s, U.S. metropolitan regions have increasingly engaged in a style of land use–transportation scenario planning that merges techniques borrowed from military and business strategic planning with long-range transportation systems planning and project-level alternatives analysis. Aside from occasional anecdotal descriptions, the effectiveness of such approaches in generating compact growth plans has not been evaluated comprehensively.
Purpose: We analyzed a wide range of scenario planning studies to determine how far compact growth scenarios are predicted to reduce vehicular travel below existing trends.
Methods: Using hierarchical modeling, we developed a regional vehicle-miles-traveled (VMT) model based on 85 scenarios in 23 planning studies from 18 metropolitan areas.
Results and conclusions: Using coefficients from this model, we conservatively estimate that compact growth scenarios reduce VMT in 2050 by 17% below scenarios assuming a continuation of existing trends.
Takeaway for practice: Existing transportation models remain largely insensitive to changes in land use and transportation policy. This must change for scenario planning to achieve its full potential. In the future, scenario planning should incorporate the best current knowledge about how global economic and environmental trends will affect regions.
Research support: Collection of the primary data used in this article was funded in part by the Federal Highway Administration, U.S. Department of Transportation, under Cooperative Agreement No. DTFH61-03-H-00134. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of the Federal Highway Administration.
Land Use–Transportation Scenarios and Future Vehicle Travel and Land Consumption: A Meta-Analysis
Problem: Since the late 1980s, U.S. metropolitan regions have increasingly engaged in a style of land use–transportation scenario planning that merges techniques borrowed from military and business strategic planning with long-range transportation systems planning and project-level alternatives analysis. Aside from occasional anecdotal descriptions, the effectiveness of such approaches in generating compact growth plans has not been evaluated comprehensively.
Purpose: We analyzed a wide range of scenario planning studies to determine how far compact growth scenarios are predicted to reduce vehicular travel below existing trends.
Methods: Using hierarchical modeling, we developed a regional vehicle-miles-traveled (VMT) model based on 85 scenarios in 23 planning studies from 18 metropolitan areas.
Results and conclusions: Using coefficients from this model, we conservatively estimate that compact growth scenarios reduce VMT in 2050 by 17% below scenarios assuming a continuation of existing trends.
Takeaway for practice: Existing transportation models remain largely insensitive to changes in land use and transportation policy. This must change for scenario planning to achieve its full potential. In the future, scenario planning should incorporate the best current knowledge about how global economic and environmental trends will affect regions.
Research support: Collection of the primary data used in this article was funded in part by the Federal Highway Administration, U.S. Department of Transportation, under Cooperative Agreement No. DTFH61-03-H-00134. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of the Federal Highway Administration.
Land Use–Transportation Scenarios and Future Vehicle Travel and Land Consumption: A Meta-Analysis
Bartholomew, Keith (Autor:in) / Ewing, Reid (Autor:in)
Journal of the American Planning Association ; 75 ; 13-27
31.12.2008
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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