International Transport Forum Discussion Papers

ISSN: 
2223-439X (online)
DOI: 
10.1787/2223439X
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ITF Discussion Papers make economic research, commissioned or carried out in-house at the International Transport Forum, available to researchers and practitioners. They describe preliminary results or research in progress by the author(s) and are published to stimulate discussion on a broad range of issues on which the ITF works.
 

A Delicate Balance: Mobility and Access Needs, Expectations and Costs You or your institution have access to this content

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Author(s):
David Metz1
Author Affiliations
  • 1: University College London, United Kingdom

01 Apr 2011
Bibliographic information
No:
2011/07
Pages:
25
DOI: 
10.1787/5kg9mq4hk6jg-en

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Mobility has been central to economic development and social progress in the modern era. There is emerging evidence, however, that personal daily travel has recently ceased to grow in developed economies. The historic increase in mobility served to enlarge access to desired destinations and allowed more choice of jobs, homes, shops schools etc within acceptable travel times. Access and choice increase in proportion to the square of the speed, whereas choice of any given kind of destination is characterised by declining marginal utility. Accordingly, saturation of daily travel demand is to be expected and is a likely explanation for the observed cessation of per capita growth of personal travel.
 
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