Virginia ridesharing statistics : methodologies for determining carpooler and vanpool average life bases and the average fuel economy of commuter vehicles.
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Virginia ridesharing statistics : methodologies for determining carpooler and vanpool average life bases and the average fuel economy of commuter vehicles.

Filetype[PDF-2.21 MB]


  • English
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    • Creators:
      Kittell, Howard J
    • Corporate Creators:
      Virginia Highway & Transportation Research Council
    • Subject/TRT Terms:
    • Publication/ Report Number:
      VHTRC 86-R12
    • Resource Type:
      Tech Report
    • Geographical Coverage:
      Virginia
    • Corporate Publisher:
      Virginia Transportation Research Council (VTRC)
    • Abstract:
      The objective of this research was to investigate methods of computing average life values for carpoolers and vanpools in Virginia. These statistics are to be used by the Rail and Public Transportation Division in evaluating the efficiency and cost-effectiveness of the ridesharing programs it funds. Achievement of this objective required a means of determining what data were needed, how best to collect them, and evaluations to calculate the average life values. In addition, the division wanted a means of developing average fuel economy statistics for commuter vehicles used in this state. A literature search was undertaken, and several alternative methods of collecting and computing these data were explored. The theoretical basis of this study was derived from efforts by the consulting firm of Crain and Associates to develop similar statistics for the city of Los Angeles, California. The Virginia study followed their general approach to the problem, but varied significantly in the proposed method of data collection and computation of the statistics. From the information developed, it is recommended that the Department (1) perform a multiyear survey of both carpoolers and vanpool drivers to collect pool participation data, (2) use these data to determine the average number of years an individual remains in a carpool and the average longevity of a vanpool, and (3) annually survey ride sharers to collect miles-per-gallon data from which a statewide average commuter vehicle MPG can be developed.
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