SPEED FEEDBACK IN THE TRAVEL FORECASTING PROCESS A RECOMMENDED APPROACH
Federal regulations require the latest travel forecasting models to have gravity model input speeds be in reasonable agreement with capacity restrained output speeds in non-attainment air quality areas. This paper, which appears in a compendium of conference papers, discusses current state-of-the-practice techniques and previous research in this area. It also addresses shortcomings resulting from the current practice. A technique for speed feedback called pivot mode split feedback and a residual auto driver gravity model are proposed. The techniques were tested in the Washington Metropolitan Area. Results of applying both approaches to speed feedback are presented.
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Supplemental Notes:
- Additional support was provided by the Puget Sound Regional Council and King County, Washington.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001Washington State Department of Transportation
Transportation Building, 310 Maple Park Avenue SE, P.O. Box 47300
Olympia, WA United States 98504-7300 -
Authors:
- Mann, W W
- Dawoud, M
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Conference:
- Fifth National Conference on Transportation Planning Methods Applications-Volume II: A Compendium of Papers Based on a Conference Held in Seattle, Washington in April 1995
- Location: Seattle, Washington
- Date: 1995-4-17 to 1995-4-21
- Publication Date: 1995-6
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: 11p
Subject/Index Terms
- TRT Terms: Air quality; Federal laws; Feedback control; Forecasting; Mathematical models; Speed; Traffic forecasting; Travel
- Uncontrolled Terms: Models
- Geographic Terms: Washington Metropolitan Area
- Old TRIS Terms: Federal regulations; Speed feedback
- Subject Areas: Highways; Planning and Forecasting; Public Transportation; I72: Traffic and Transport Planning;
Filing Info
- Accession Number: 00713812
- Record Type: Publication
- Files: TRIS, TRB, STATEDOT
- Created Date: Nov 26 1995 12:00AM