Research Article
May 1976
Entropy Model and Intercity Modal Split in the UK
Authors: Gerald R. Leake and John R. UnderwoodAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 102, Issue 2
Abstract
Using the entropy trip distribution model of Wilson as a base, two intercity bimodal split models are developed; one with a negative exponential impedance function, the other with a negative power function. The models are calibrated and compared against rail and air domestic intercity travel data in the United Kingdom. The power function is found to give the best fit to the data. The most satisfactory model is used to predict modal share for changes in intercity travel times which have taken place and the predicted values compared with actual measured results. Additional outputs from the analysis are values of time for work and nonwork trips and the relative weighting of excess time to line-haul time as perceived by the traveler.
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Published In
Transportation Engineering Journal of ASCE
Volume 102 • Issue 2 • May 1976
Pages: 215 - 228
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: May 1976
Published online: Feb 5, 2021
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Affiliations
Gerald R. Leake
Lect. in Civ. Engrg. and Assoc. Lect., Inst. for Transport Studies, Univ. of Leeds, Leeds, England
John R. Underwood
Lect., Civ. Engrg. Dept., Dundee Coll. of Tech., Dundee, Scotland; formerly, Research Student, Dept. of Civ. Engrg., Univ. of Leeds, Leeds, England
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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.