Ride sharing potential in a low density car oriented Australian city
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(Published version)
Date
2011
Authors
Allan, A.
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Conference paper
Citation
Proceedings of the 12th International Conference on Computers in Urban Planning and Urban Management (CUPUM 2011), 2011, pp.1-18
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Computers in Urban Planning and Urban Management Conference 2011 (5 Jul 2011 - 8 Jul 2011 : Lake Louise, Canada)
Abstract
Metropolitan Adelaide, an Australian city home to approximately 1.15 million people, is a car dependent city with regard to personal travel with approximately 70% of trips being made by car as a driver travelling alone. Given the threats posed to urban accessibility and mobility by Peak Oil and anthropogenic induced climate change, Adelaide policy-makers are keen to explore a range of transport strategies to reduce car trips, one of which is ride-sharing in urban areas poorly served by public transit and where the trip distances are too far or impractical for convenient walking or cycling. Within the Adelaide context, car ride-sharing is seen as a possible policy measure that warrants consideration due to limited previous local research, the dominance of sole occupant car commuters, limited alternatives to the car in out-lying suburbs and a lack of formal ride-sharing programs that are specific to an employer or available to the wider community. This paper presents and discusses the findings of a significant car ride-sharing study completed during 2010 using metropolitan Adelaide as the survey sampling frame. The paper includes a literature review on characteristics of successful car-sharing programs, a conceptualisation of the trip planning process for ride-sharing, computer analyses and GIS mapping of the potential for ride-sharing within Adelaide using government Census statistics and the results of a DTEI survey of approximately 1400 respondents across Adelaide that was conducted during 2010, and an exploration of the behavioural and attitudinal constraints and opportunities towards ride-sharing in metropolitan Adelaide. The key contribution of this paper to the literature on rider-sharing is as an empirically based study identifying the rider-sharing potential in a low density, heavily car oriented Australian city.
The findings to emerge from this work provides policy-makers working in urban planning and urban management with a clearer view of the contribution that ride-sharing can make to achieving traffic reduction and environmental improvement goals within Adelaide and recommendations about what an effective and successful ride-sharing scheme could look like. Moreover, the conceptualisation of the trip planning process in ride-sharing provides new and useful insights into the design of ride-sharing schemes that will be of value in optimising the design of programming software in determining ride-sharing opportunities in the community and optimising ride-sharing trip planning for urban travellers.
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Copyright 2011 Andrew Allan