期刊
JOURNAL OF TRANSPORTATION ENGINEERING-ASCE
卷 130, 期 2, 页码 150-158出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)0733-947X(2004)130:2(150)
关键词
benefit-cost ratios; highway improvements; Kansas; project planning
This paper presents a need-based methodology to prioritize and select highway projects for improvement. This approach is based on developing a multiattribute need function that quantifies relative concerns of a highway agency and the traveling public about various physical and operational deficiencies on different highway segments. It is an effective alternative to the traditional cost-benefit analysis. While the cost-benefit analysis may be useful in evaluating a small number of project alternatives at a fixed location (e.g., alternative alignments for a single corridor), it has major limitations when applied to a large-scale (e.g., statewide) highway construction program. This paper discusses some of the philosophical and practical limitations of the cost-benefit analysis and how the need-based approach overcomes these limitations. A successful implementation of the need-based approach to Kansas's statewide highway improvement program is also described.
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