This paper challenges the widespread and often indiscriminant use of travel-time savings as a principal metric of economic benefits for evaluating urban transport projects. Time-budget theory and empirical evidence reveals that the benefits of a widened road or extended rail line often get expressed by more and longer trips to larger numbers of destinations and not by less time spent traveling. Induced travel demand can also erode time-savings benefits...
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详细
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2011/01/01
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工作文件
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70206
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1
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1
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2012/06/27
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Disclosed
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Going beyond travel-time savings : an expanded framework for evaluating urban transport projects
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transportation research