ENERGY IMPLICATIONS OF CO-ORDINATED TRAFFIC SIGNALS

This paper develops a series of simple relationships which may assist transport planners to appraise the energy implications of maximising vehicle progression through Co- ordinated traffic signals. Relationships for fuel consumption, excess stop-go consumption and progression sequence fuel savings are discussed, together with other implications of low-energy traffic control. These relationships are eminently suitable for use as sub-models of any larger macro planning model concerned with improvement of urban road utilisation. Problems of calibration are discussed and sensitivity analysis used to illustrate the dominance of speed change over speed-time profile (i.e. Acceleration) in determining excess stop-go comsumption. The dominance of the stop-go manoeuvre over delay spent in stationary idling is also illustrated. Nevertheless, a perspective is placed on the overall significance of this technique of traffic management as an energy-saver, by reviewing published energy consumption figures and quoted signal co-ordination fuel savings estimates (A). (TRRL)

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 16-24
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00325176
  • Record Type: Publication
  • Source Agency: ARRB Group Limited
  • Files: ITRD, TRIS
  • Created Date: Apr 15 1981 12:00AM