Research Article
Nov 1979
Work-Trip Mode-Choice Models for South Africa
Authors: Peter R. Stopher, M.ASCE, and Chester G. WilmotAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 105, Issue 6
Abstract
This paper describes a number of individual-choice models of work-trip mode-choice, calibrated in the course of a bus study in two communities of Metropolitan Johannesburg. First, it is found to be useful to reduce the alternative set from eight modes to four modes, without loss of estimation power. Second, a number of alternative specifications of costs and times are examined, from which the chosen model is selected as one containing five such variables. In addition, a variable of car competition is found to add significantly to the explanatory power of the model. Finally, recently-documented procedures are applied to the selected model specification to pool the results of two random subsamples and to correct the choice-based biases in the alternative-specific constants. It is found that the coefficients of the South African model fall well within the range of coefficients determined in the U.S.
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Published In
Transportation Engineering Journal of ASCE
Volume 105 • Issue 6 • November 1979
Pages: 595 - 608
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Nov 1979
Published online: Feb 5, 2021
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Peter R. Stopher, M.ASCE
Prof., Dept. of Civ. Engrg., Northwestern Univ., Evanston, Ill.
Chester G. Wilmot
Grad. Student, Northwestern Univ., Evanston, Ill., formerly, Research Officer, NITRR, CSIR, Pretoria, South Africa
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.