TEST AND EVALUATION OF COMPUTERIZED TRAFFIC CONTROL SYSTEM. (DIAMOND INTERCHANGE TRAFFIC CONTROL)

THE WESTERN AVENUE INTERCHANGE OF THE SANTA MONICA FREEWAY WAS INSTRUMENTED TO OPERATE UNDER COMPUTERIZED TRAFFIC CONTROL. A SERIES OF TESTS WAS CONDUCTED TO EVALUATE THE OPERATIONAL PERFORMANCE OF THE SYSTEM WITH RESPECT TO PRETIMED, 3-DIAL OPERATION. THE SURVEILLANCE SYSTEM, WHICH IS PART OF THE COMPUTERIZED SYSTEM, WAS USED AS ONE OF THE BASIC METHODS OF COLLECTING OPERATIONAL DATA. FLOATING-CAR TEST WERE ALSO CONDUCTED OVER THE FACILITY. THE BROAD SET OF RESULTS OBTAINED SHOWED THAT THE REAL-TIME CONTROL OF THE FACILITY PRODUCED REDUCTIONS IN DELAY IN THE ORDER OF 20-30 PERCENT. STOP TIME AND NUMBER OF STOPS WERE ALSO REDUCED. THE DEGREE OF IMPROVEMENT OBTAINED DEMONSTRATED THAT THE COMPUTERIZED CONTROL SYSTEM IS COST/EFFECTIVE.

  • Corporate Authors:

    System Development Corporation

    2500 Colorado Avenue
    Santa Monica, CA  USA  90409
  • Authors:
    • Torres, J F
  • Publication Date: 1973-7

Media Info

  • Pagination: 145 p.
  • Serial:
    • Volume: 9

Subject/Index Terms

Filing Info

  • Accession Number: 00225039
  • Record Type: Publication
  • Source Agency: Federal Highway Administration
  • Report/Paper Numbers: FHWA-RD-73- 58 Final Rpt.
  • Contract Numbers: DOT-FH-11-7568
  • Files: TRIS, USDOT
  • Created Date: Apr 3 1974 12:00AM