IMPROVED DATA SCREENING TECHNIQUES FOR FREEWAY TRAFFIC MANAGEMENT SYSTEMS

Proper functioning of computer-based freeway traffic control algorithms depends on good data being received from roadway detectors. At present, only elementary screening procedures for these data are in use on most freeway traffic management systems. There has recently been some work to improve such procedures. That work has been extended, and several new screening approaches are proposed. The first approach develops a theoretical upper bound for part of the flow-occupancy data and is useful for single-detector systems. The other approaches have been developed for paired-loop systems and involve comparisons of loop data as well as the development of boundaries defining acceptable combinations of speed, flow, and occupancy data.

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trr/1991/1320/1320-003.pdf
• Record URL:
  https://scholar.google.com/scholar_lookup?title=IMPROVED+DATA+SCREENING+TECHNIQUES+FOR+FREEWAY+TRAFFIC+MANAGEMENT+SYSTEMS&author=D.+Cleghorn&author=F.+Hall&author=D.+Garbuio&publication_year=1991
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309051533
• Supplemental Notes:
  • This paper appears in Transportation Research Record No. 1320, Freeway Operations, Highway Capacity, and Traffic Flow 1991. 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:
  • Cleghorn, Don
  • Hall, Fred L.
  • Garbuio, David
• Publication Date: 1991

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 17-23
• Monograph Title: Freeway operations, highway capacity, and traffic flow, 1991
• Serial:
  • Transportation Research Record
  • Issue Number: 1320
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Algorithms; Freeways; Highway traffic control; Loop detectors; Screenings; Traffic control; Vehicle detectors
• Uncontrolled Terms: Data
• Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory;

Filing Info

• Accession Number: 00621678
• Record Type: Publication
• ISBN: 0309051533
• Files: TRIS, TRB, ATRI
• Created Date: Apr 30 1992 12:00AM