A COMPARATIVE STUDY OF TRAFFIC CONTROL SCHEMES AT AN ISOLATED INTERSECTION

This paper illustrates the use of a digital computer to simulate traffic movement at an isolated intersection with four approaches and to compare the effectiveness of the three types of signal control: fixed-cycle signals; vehicle-actuated signals; and Miller's minimum delay control. Simulation results of the fixed-cycle program compare closely with Webster's estimated delays when the degree of saturation is below 0.85. The vehicle-actuated signal appears the most efficient of the three systems. The average vehicle delay at a vehicle-actuated signal is 3.5 to 4.5 seconds lower than that of a fixed-cycle signal. Miller's system is not appreciably lower than that of the vehicle-actuation system. The average vehicle delays for the two systems are nearly equal below 650 veh/h. The proportion of "no-delay" vehicles at a vehicle-actuated signal is the highest of the three systems and this might be an attraction to the motorist.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00410683
• Corporate Authors:

  Printerhall Limited

  29 Newmart Street
  London W1P 3PE,   England 
• Authors:
  • Nip, K F
• Publication Date: 1975-6

Media Info

• Features: Figures; References;
• Pagination: p. 264-269
• Serial:
  • Traffic Engineering & Control
  • Volume: 16
  • Issue Number: 6
  • Publisher: Hemming Group, Limited
  • ISSN: 0041-0683
  • Serial URL: http://www.tecmagazine.com/

Subject/Index Terms

• TRT Terms: Digital computers; Intersections; Pretimed traffic signal controllers; Traffic actuated controllers; Traffic control; Traffic signals; Traffic simulation
• Subject Areas: Highways; Operations and Traffic Management;

Filing Info

• Accession Number: 00132114
• Record Type: Publication
• Source Agency: National Safety Council Safety Research Info Serv
• Files: TRIS
• Created Date: Nov 9 1977 12:00AM