Evaluating the effects of geographic contexts on individual accessibility: A multilevel approach

Joe Weber, Mei Po Kwan

Research output: Contribution to journalArticlepeer-review

Abstract

Centrality within a city and neighborhood characteristics have often been used as indicators of access to employment and services in statements about urban form and accessibility, but there are reasons to question the appropriateness of doing so. This paper evaluates the importance of geographic context within the urban environment (both location within cities as well as neighborhoods characteristics) for individuals in Portland, Oregon. Because conventional accessibility measures cannot incorporate individual characteristics, space-time individual accessibility measures were used with multilevel modeling to isolate the effects of individual level variations from that of geographical context. The results show that the influence of context on individual accessibility is weak, as accessibility tends to reflect individual and household characteristics rather than the local urban environment. Accessibility cannot be determined from location within cities, or from land uses around an individual's home, implying that the use of urban design to influence accessibility is inappropriate.

Original languageEnglish (US)
Pages (from-to)647-671
Number of pages25
JournalUrban Geography
Volume24
Issue number8
DOIs
StatePublished - Dec 1 2003
Externally publishedYes

Keywords

  • Accessibility
  • Local context
  • New Urbanism

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Urban Studies

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