Driving Smart: Carsharing Mode Splits and Trip Frequencies

Carsharing is a type of vehicle rental that allows individuals to rent vehicles from a fleet on an hourly basis, allowing those without a personal vehicle to have access to a car as needed. Carsharing trip frequencies and mode share are of value to both carsharing and metropolitan planning organizations, and this analysis provides innovative techniques to estimate the number of trips taken and the share of total travel completed with free-floating carsharing. Average household income, and household sizes have a negative effect on the modal split of free-floating carsharing, and land use density has a positive effect; all of these results confirm previous analyses. When considering the number of rentals instead of modal share, both household and employment densities have a positive and strong effect on the number of rentals. Males are found to make slightly more trips via carsharing than are females, and carshare members between the ages of 20 and 39 also have increased trip rates. While these results are based on a free-floating carsharing system in Austin and may not be applicable to all carsharing systems in all cities, they nonetheless provide a basis for enhanced mode share modeling of carsharing in general.

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• Supplemental Notes:
  • This paper was sponsored by TRB committee ADB50 Transportation Planning Applications.
• Corporate Authors:

  Transportation Research Board

  500 Fifth Street, NW
  Washington, DC  United States  20001
• Authors:
  • Kortum, Katherine
• Conference:
  • Transportation Research Board 93rd Annual Meeting
  • Location: Washington DC
  • Date: 2014-1-12 to 2014-1-16
• Date: 2014

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; References; Tables;
• Pagination: 12p
• Monograph Title: TRB 93rd Annual Meeting Compendium of Papers

Subject/Index Terms

• TRT Terms: Automobile travel; Demographics; Modal split; Socioeconomic factors; Travel patterns; Vehicle sharing
• Geographic Terms: Austin (Texas)
• Subject Areas: Planning and Forecasting; Public Transportation; Society; I72: Traffic and Transport Planning;

Filing Info

• Accession Number: 01518650
• Record Type: Publication
• Report/Paper Numbers: 14-4009
• Files: PRP, TRIS, TRB, ATRI
• Created Date: Mar 20 2014 1:39PM