COMPACT URBAN TRAFFIC CONTROL. 4. EVALUATION OF THE HULL AND TORBAY SYSTEMS

Preceding articles in the series describe the specification and application of the two demonstration projects. This article gives the results of the evaluation surveys and forecasts possible developments of the system. Results show that the coordination of traffic signals has given a 13 per cent improvement in traffic flow in parts of Torbay and up to 20 per cent improvement in Bull. "Green wave" facilities have reduced emergency vehicle journey tims in Torbay, but inflexibility has been found in Hull, where limited "green wave" facilities have been used for some years. Diversion signs are successful, although results may depend on the conditions visible to the motorist at the time. Car park information signs in Torbay have enabled visiting motorists to make greater use of car park facilities, but the main difficulty with Torbay traffic is its variability. It is thought that the use of vehicle counters and queue detectors to select plans may provide a more suitable system than TRANSYT. The compact UTC system in torbay is to be modified this year to MCE 360b specification, giving sub-area control and greater flexibility. (TRRL)

• 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:
  • Bernard, N W
  • Hillen, S M
• Publication Date: 1981-5

Media Info

• Features: Figures; Photos; References;
• Pagination: p. 281-288
• Serial:
  • Traffic Engineering & Control
  • Volume: 22
  • Issue Number: 5
  • Publisher: Hemming Group, Limited
  • ISSN: 0041-0683
  • Serial URL: http://www.tecmagazine.com/

Subject/Index Terms

• TRT Terms: Area traffic signal control; Demonstration projects; Emergency vehicles; Forecasting; Improvements; Parking; Queuing; Sensors; Traffic; Traffic control; Traffic counting; Traffic diversion; Traffic flow; Traffic signal control systems; Traffic signs; Traffic surveys; Travel time; Trials; Trip length; Urban areas
• Geographic Terms: United Kingdom
• Old TRIS Terms: Traffic control systems
• ITRD Terms: 669: Area traffic control; 628: Diversion (traffic); 132: Forecast; 9108: Improvement; 697: Journey time; 597: Linked signals; 6594: Queue; 6120: Sensor; 755: Traffic; 654: Traffic control; 553: Traffic sign; 676: Traffic survey; 8119: United Kingdom; 313: Urban area
• Subject Areas: Highways; Law; Operations and Traffic Management; I73: Traffic Control;

Filing Info

• Accession Number: 00345009
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD, TRIS
• Created Date: Jan 29 1982 12:00AM