COMPARISON OF COST FUNCTIONS IN MODAL-SPLIT MODELS

Using the entropy trip distribution of Wilson as a base, an intercity bimodal-split model was developed based on the generalized cost of travel. Two variants of the model were calibrated and compared against rail and air domestic intercity travel data in the United Kingdom: one using a linear generalized cost function and the other a nonlinear generalized cost function. These were used to predict the modal share for changes in intercity travel times and frequencies that have taken place, and the predicted values compared with actual results. No significant differences were found between the two model variants. It is concluded that for the domestic intercity situation investigated, there is no significant advantage to be gained by departing from the conventional linear generalized cost function.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/8674831
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Underwood, J R
  • LEAKE, G R
• Publication Date: 1977-11

Media Info

• Features: References;
• Pagination: p. 763-772
• Serial:
  • Journal of Transportation Engineering
  • Volume: 103
  • Issue Number: 6
  • Publisher: American Society of Civil Engineers
  • ISSN: 0733-947X
  • Serial URL: https://ascelibrary.org/journal/jtepbs

Subject/Index Terms

• TRT Terms: Air transportation; Costs; Fares; Intercity transportation; Intercity travel; Marketing; Mathematical models; Modal split; Passengers; Railroad transportation; Regional planning; Transportation; Travel demand; Travel time; Trip distribution
• Geographic Terms: United Kingdom
• Subject Areas: Economics; Operations and Traffic Management; Transportation (General);

Filing Info

• Accession Number: 00169983
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Jan 30 1978 12:00AM