The ABC of mobility
From Transport Knowledge Wiki
 Journal article record
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| Title
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The ABC of mobility
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| Journal
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 Environment International vol. 185 no. 108541
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| Abstract
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The use of cars in cities has many negative impacts, including pollution, noise and the use of space. Yet, detecting factors that reduce the use of cars is a serious challenge, particularly across different regions. Here, we model the use of various modes of transport in a city by aggregating Active mobility (A), Public Transport (B) and Cars (C), expressing the modal share of a city by its ABC triplet. Data for nearly 800 cities across 61 countries is used to model car use and its relationship with city size and income. Our findings suggest that with longer distances and the congestion experienced in large cities, Active mobility and journeys by Car are less frequent, but Public Transport is more prominent. Further, income is strongly related to the use of cars. Results show that a city with twice the income has 37% more journeys by Car. Yet, there are significant differences across regions. For cities in Asia, Public Transport contributes to a substantial share of their journeys. For cities in the US, Canada, Australia, and New Zealand, most of their mobility depends on Cars, regardless of city size. In Europe, there are vast heterogeneities in their modal share, from cities with mostly Active mobility (like Utrecht) to cities where Public Transport is crucial (like Paris or London) and cities where more than two out of three of their journeys are by Car (like Rome and Manchester).
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| Authors
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 Rafael Prieto-Curiel Juan Ospina
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| Date
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 March 2024
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| Keywords and locations
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| Keywords
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 Car dependency
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| Locations
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 London United States Canada Australia Paris Rome Manchester
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| How to find and cite this journal article
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| Publication
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 doi.org/10.1016/j.envint.2024.108541
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| Access
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This journal article is open access and can be read for free as of 14 June 2025.
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| Citation
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Prieto-Curiel, R., & Ospina, J. P. (2024). The ABC of mobility. Environment International, 185, 108541.
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