The role of built environment characteristics and residential self-selection on car use and active travel

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master_Soinio_Leila_2021.pdf (3.64 MB)

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Insinööritieteiden korkeakoulu | Master's thesis
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Date

2021-05-17

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Mcode

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Master's Programme in Spatial Planning and Transportation Engineering (SPT)

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en

Pages

61

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Abstract

Robust correlations between several built environment characteristics and travel mode choice have been established in the travel behavior literature. However, the majority of the studies have not taken into account the possible confounding role of travel-related attitudes and preferences, i.e. a hypothesis also known as residential self-selection. Omitting the possibility that residents may choose their residential location based on travel attitudes and preferences may exaggerate the effect of the built environment on travel behavior. Consequently, this may lead to flawed estimations of the impact of land-use policies on travel. This thesis investigates the relationship between built environment characteristics, travel attitudes, and travel behavior in the Finnish context. The aim is to examine, to what extent are built environment and attitudes associated with car use, walking, and cycling. The data was collected in early 2020 from residents in the Turku region with an online survey. In total 472 responses were eligible for this study. The research methods include factor and cluster analyses, statistical tests, and multiple linear regression models. According to the results, both built environment characteristics, measured by an aggregate measure urban zone of residence, and travel-related attitudes and preferences are related to differences in car use, walking, and cycling. However, living in an intensive transit zone was found to have an independent negative association with car use and a positive association with walking once the attitudes and socio-demographics were accounted for. For cycling, such associations were not found. In addition, car ownership is positively associated with car use and negatively associated with walking and cycling. The results indicate, that living in an intensive transit zone is likely to increase walking and decrease car use even among those residents, who have car-oriented attitudes and preferences. Furthermore, a positive attitude towards sustainable modes of travel is likely to increase levels of active transportation in all kinds of urban zones. These results highlight the need for land use and transportation policies and measures, which enable more people to live in intensive transit zones, and target changing residents’ attitudes towards sustainable modes of travel.

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Supervisor

Kyttä, Marketta

Thesis advisor

Ramezani, Samira

Keywords

travel behavior, active transportation, residential self-selection, built environment, travel attitude

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https://urn.fi/URN:NBN:fi:aalto-202105236909

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[dipl] Insinööritieteiden korkeakoulu / ENG