International Transport Forum Discussion Papers

ISSN :
2223-439X (online)
DOI :
10.1787/2223439x
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The International Transport Forum at the OECD is an intergovernmental organisation with 54 member economies. It acts as a strategic think tank for transport policy and organizes an annual summit of ministers. Our work is underpinned by economic research, statistics collection and policy analysis, often undertaken in collaboration with many of the world's leading research figures in academia, business and government. This series of Discussion Papers is intended to disseminate the ITF’s research findings rapidly among specialists in the field concerned.
Previous papers addressing these policy issues are available via http://dx.doi.org/10.1787/20708270
 

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

Publication Date
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.