Is there more traffic congestion in larger cities? -Scaling analysis of the 101 largest U.S. urban centers-Yu Sang Chang, Yong Joo Lee and Sung Sup Brian Choi Transport Policy, 2017, vol. 59, issue C, 54-63 Abstract: Over the past three decades, urban congestion has become more costly in terms of time, money, and fuel. For the top 101 largest US urban centers, congestion generated 4.8 billion hours of travel delays in 2011, up from 1.1 billion hours in 1982. Congestion also required 8.419 million cubic meters of excess fuel consumption in 2011, up from 1.73 million cubic meters in 1982. Finally, the excess CO2 emitted from congestion amounted to 19.524 billion kilograms in 2011, up from 3.94 billion kilograms in 1982. We examined the scaling relationships between the population sizes of urban centers and traffic congestion for four subgroups of urban centers with varying population sizes. We found that scaling relationships were superlinear for most subgroups. However, for the subgroup comprising mega cities with populations of over 3 million people, the relationship was linear. Keywords: Urban congestion; Total delay hours; Excess CO2 emission; Excess fuel consumption; Superlinear relationship; Sublinear relationship (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:trapol:v:59:y:2017:i:c:p:54-63 Ordering information: This journal article can be ordered from DOI: 10.1016/j.tranpol.2017.07.002 Access Statistics for this article Transport Policy is currently edited by Y. Hayashi More articles in Transport Policy from Elsevier |
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