| Summary: | Large efforts and investments have been made into public transport, walking, and cycling in cities around Europe. Yet, cars remain the most ubiquitous mode of travel in urban areas. Often, research into the barriers facing active travel evaluates only one part of the problem, such as a person’s surrounding environment (the macro level), socially embedded practices that define the activity (meso level), or a person’s own beliefs and sense of identity (micro level). However, barriers and enablers to active travel exist on multiple levels, and interventions to increase walking and/or cycling are less likely to work when implemented in isolation. Hence, a multilevel socio-ecological model is developed to demonstrate and test the importance of assessing these barriers together, and identify interrelationships among them. Using the Physical Activity Through Sustainable Transportation Approaches (PASTA) dataset on the travel behaviour of people in seven different European cities, this paper identifies the constructs that correlate with active travel most. Within PASTA, psychosocial constructs influence the decision to take a trip by bicycle or walk more than built environment variables. In addition, trip purpose and the meso level influence the importance of built environment and attitudinal variables in explaining active travel. These relationships do not vary significantly between cities. This research further supports the use of multi-faceted interventions to increase walking and cycling, rather than focussing on a single policy.
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