REVISION OF THE HIGHWAY INVESTMENT ANALYSIS PACKAGE METHODOLOGY FOR ESTIMATING ROAD-USER COSTS

The Highway Investment Analysis Package (HIAP) released by the Federal Highway Administration in 1976 was revised so that the methodology for estimating operating speeds and costs would be consistent with the results of recent research. The HIAP procedure for accounting for fluctuations in the daily distribution of traffic was first modified to more accurately reflect flow conditions during the busiest hours of the year. The procedure for estimating average travel time under a given congestion level was then revised to be compatible with the 1985 Highway Capacity Manual methodology. Finally, vehicle operating cost data were updated, and the cost estimating procedures were modified to be more sensitive to changes in highway alignment. The new FORTRAN code was then validated and tested.

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/trr/1988/1156/1156-003.pdf
• Record URL:
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• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Transportation Programming, Planning, and Systems Evaluation. 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:
  • Berg, W D
  • Choi, Jaisung
• Publication Date: 1988

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 18-25
• Monograph Title: Transportation systems planning and management
• Serial:
  • Transportation Research Record
  • Issue Number: 1156
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Alignment; Capital investments; Costs; Estimating; Methodology; Motor vehicles; Operating costs; Traffic congestion; Traffic flow; Travel budgets; Travel time
• Uncontrolled Terms: Road user costs
• Subject Areas: Economics; Finance; Highways; Society; I10: Economics and Administration;

Filing Info

• Accession Number: 00477417
• Record Type: Publication
• ISBN: 0309046661
• Files: TRIS, TRB, ATRI
• Created Date: Nov 30 1988 12:00AM