The Paper seeks to investigate the influence of speed characteristics such as travel time travel speed, sum of speed changes and frequency of speed variations on fuel consumption on roads with saturated traffic flow conditions. Factors other than traffic flow as sought to be kept at one and same level by excluding roads with free flow pattern of traffic and by not attempting to correlate fuel consumption with roadway features or vehicle or driver characteristics. The field data was obtained from those selected roads in Delhi which conform to the norms set forth in the objectives of study. Travel speed, speed variations and frequency of speed changes and corresponding fuel consumption figures were collected by using fifth wheel device, graphic recorder and 'petrometa'. The analyzed data reveal that the sum as well as frequency of speed changes do not have influence on fuel consumption and that travel time travel speed can be a good predictor of fuel consumption. By using regression technique, it is found that as travel time per kilometre increases fuel consumption for the same distance also increases linearly. Models relating fuel with travel time and fuel with travel speed have been evolved. These models can be used to predict fuel consumption on the basis of observed or known travel time or travel speed within an error of 0.015 litres per kilometre. /Author/

  • Corporate Authors:

    Central Road Research Institute

    Delhi-Mathura Road
    New Delhi,   India  110020
  • Authors:
    • Shetty, P
    • Sripathi Rao, S B
  • Publication Date: 0

Media Info

  • Features: Figures; Tables;
  • Pagination: 12 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00157212
  • Record Type: Publication
  • Report/Paper Numbers: Report No. 135 Monog Ser.
  • Files: TRIS
  • Created Date: Aug 15 1977 12:00AM