On the formulation of time-space prisms to model constraints on personal activity-travel engagement

Ram Pendyala, Toshiyuki Yamamoto, Ryuichi Kitamura

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

The notion of time-space prisms has often been used in the context of describing activity-travel patterns of individuals. This paper presents a methodology for estimating the temporal vertices of time-space prisms using the stochastic frontier modeling technique. Observed trip starting and ending times are used as dependent variables and socio-economic characteristics and commute characteristics serve as independent variables. The models are found to offer plausible results indicating that temporal vertices of time-space prisms, though unobservable, can be estimated based on temporal characteristics of observed activity-travel patterns. Comparisons of stochastic frontier models of prism vertices and the distributions of prism vertices are presented using two activity data sets collected in the United States - San Francisco and Miami. Differences and similarities in temporal vertex locations are highlighted in the paper.

Original languageEnglish (US)
Pages (from-to)73-94
Number of pages22
JournalTransportation
Volume29
Issue number1
DOIs
StatePublished - Feb 2002
Externally publishedYes

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Prisms
travel
Stochastic models
methodology
time
Economics
modeling
economics

Keywords

  • Activity engagement
  • Prism vertex
  • stochastic frontier model
  • Time-space constraints
  • Time-space prism
  • Travel behavior

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Development

Cite this

On the formulation of time-space prisms to model constraints on personal activity-travel engagement. / Pendyala, Ram; Yamamoto, Toshiyuki; Kitamura, Ryuichi.

In: Transportation, Vol. 29, No. 1, 02.2002, p. 73-94.

Research output: Contribution to journalArticle

Pendyala, Ram ; Yamamoto, Toshiyuki ; Kitamura, Ryuichi. / On the formulation of time-space prisms to model constraints on personal activity-travel engagement. In: Transportation. 2002 ; Vol. 29, No. 1. pp. 73-94.
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