PARAMETRIC ACCESS NETWORK MODEL

Parametric models are calibrated for the access portions of rail and bus trips. The models are designed to predict average zonal travel times as a function of the transportation system, zone size, and volume-related characteristics of a zone. The calibrated models are access walking, driving, and bus-riding time for rail trips and walking time to a stop for bus trips. Corresponding models are developed for the within-zone variance of the access time. These models provide input to the existing travel demand forecasting process by systematizing the way in which the access times are currently obtained for network coding. The importance of these values for travel forecasting has been repeatedly demonstrated in the past. These models also enable the use of large zones to help simplifying and speed up the transportation plan analysis and evaluation process. The predictive accuracy of the final models is evaluated in terms of standard indexes of forecasting accuracy. The results show that the coefficients of determination are high and that the coefficients of variation are low for all the models. Thus, the models should find an immediate use in transportation planning. /Author/

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trr/1976/592/592-010.pdf
• Summary URL:
  http://scholar.google.com/scholar_lookup?title=PARAMETRIC+ACCESS+NETWORK+MODEL&author=A.+Talvitie&author=T.+Leung&publication_year=1976
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03611981
• Supplemental Notes:
  • Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Talvitie, Antti
  • Leung, Tom
• Publication Date: 1976

Media Info

• Media Type: Digital/other
• Features: References;
• Pagination: pp 45-49
• Monograph Title: Perception and values in travel demand
• Serial:
  • Transportation Research Record
  • Issue Number: 592
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Bus transportation; Forecasting; Mathematical models; Mode choice; Passengers; Railroad transportation; Transportation planning; Travel demand; Travel time; Urban transportation; Walking distance
• Uncontrolled Terms: Models
• Subject Areas: Highways; Motor Carriers; Operations and Traffic Management; Passenger Transportation; Planning and Forecasting; Public Transportation; Railroads;

Filing Info

• Accession Number: 00145331
• Record Type: Publication
• ISBN: 0309025613
• Files: TRIS, TRB
• Created Date: Feb 16 1981 12:00AM