Abstract
An ageing population remains one of the most significant challenges for Western society in the 21st century. Whilst public transport use has attractive sustainability features for older generations there is mixed evidence with regard to trends in travel and public transport use in ageing societies. This paper explores public transport trip rates amongst older age groups using travel survey evidence collected from a household travel survey in Melbourne, Australia for the period 1994 to 1999. A particular aim of the research was to establish trends in trip rates so as to explore the impact of the ageing Baby Boomer generation on travel by public transport. The results suggested that compared to those aged below 60, those aged over 60 years demonstrated 30% lower trip making overall and 16% lower public transport trip rates. Longitudinal trends in trip rates showed those aged over 60 had a very small decline in trip rates by public transport (−0.004 average daily trips per annum) but increasing rates for car trips. A further analysis showed a small but significant increase in longitudinal trip rates of public transport use amongst Baby Boomers (0.004 daily trips p.a., p < .05) while car usage for Baby Boomers was steady. The implication of these findings is that trends in the existing over 60s population are not necessarily going to flow through to behaviour patterns in the Baby Boomer generations. The Baby Boomer age group showed longitudinal trends in travel behaviour which contrasted with those of the existing over 60s generation notably with a trend towards increased public transport usage.
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Notes
This was the ‘Metlink Market Futures Research and Development Project’ which aimed to explore a range of factors influencing future public transport usage in Melbourne. Conducted by the Institute of Transport Studies, Monash University for Metlink.
P-values cited are the statistical significance of the regression slopes.
Note: Public transport service level did not significantly change from 1994 to 1999.
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Acknowledgment
The authors would like to thank the sponsors of the research, Metlink and their partner the Victorian Department of Infrastructure (now the Department of Transport) for their support in undertaking the research. The authors would also like to thank the papers reviewers for excellent suggestions to improve the quality of the work.
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Currie, G., Delbosc, A. Exploring public transport usage trends in an ageing population. Transportation 37, 151–164 (2010). https://doi.org/10.1007/s11116-009-9224-x
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DOI: https://doi.org/10.1007/s11116-009-9224-x