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Dynamic Opportunity-Based Multipurpose Accessibility Indicators in California

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Listed:
  • Dalal, Pamela
  • Chen, Yali
  • Ravulaparthy, Srinath
  • Goulias, Konstadinos G.

Abstract

Accessibility, defined as the ease (or difficulty) with which activity opportunities can be reached from a given location, can be measured using the cumulative amount of opportunities from an origin within a given amount of travel time. These indicators can be used in regional planning and modeling efforts that aim to integrate land use with travel demand and an attempt should be made to compute at the smallest geographical area. The primary objective of this paper is to illustrate the creation of realistic space-sensitive and time-sensitive fine spatial level accessibility indicators that attempt to track availability of opportunities. These indicators support the development of the Southern California Association of Governments activity-based travel demand forecasting model that aims at a second by-second and parcel-by-parcel modeling and simulation. They also provide the base information for mapping opportunities of access to fifteen different types of industries at different periods during a day. The indicators and their maps are defined for the entire region using largely available data to show the polycentric structure of the region and to illustrate the method as a generator of choice sets in discrete choice models.

Suggested Citation

  • Dalal, Pamela & Chen, Yali & Ravulaparthy, Srinath & Goulias, Konstadinos G., 2012. "Dynamic Opportunity-Based Multipurpose Accessibility Indicators in California," University of California Transportation Center, Working Papers qt474714fg, University of California Transportation Center.
  • Handle: RePEc:cdl:uctcwp:qt474714fg
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    References listed on IDEAS

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    1. Alex Anas & Richard Arnott & Kenneth A. Small, 1998. "Urban Spatial Structure," Journal of Economic Literature, American Economic Association, vol. 36(3), pages 1426-1464, September.
    2. Giuliano, Genevieve & Small, Kenneth A., 1991. "Subcenters in the Los Angeles region," Regional Science and Urban Economics, Elsevier, vol. 21(2), pages 163-182, July.
    3. Ronald van Kempen & A. şule Özüekren, 1998. "Ethnic Segregation in Cities: New Forms and Explanations in a Dynamic World," Urban Studies, Urban Studies Journal Limited, vol. 35(10), pages 1631-1656, October.
    4. McMillen, Daniel P., 2001. "Nonparametric Employment Subcenter Identification," Journal of Urban Economics, Elsevier, vol. 50(3), pages 448-473, November.
    5. Bhat, Chandra R. & Guo, Jessica, 2004. "A mixed spatially correlated logit model: formulation and application to residential choice modeling," Transportation Research Part B: Methodological, Elsevier, vol. 38(2), pages 147-168, February.
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    Keywords

    hierarchical spatial choice; spatial cluster analysis; multi-scale representation; Social and Behavioral Sciences;

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