Impacts of transit-oriented development on car use over a 10-year period in Porto, Portugal: From macro- to micro-analysis

Anna Ibraeva*, Gonçalo Homem de Almeida Correia, Cecília Silva, António Pais Antunes

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
37 Downloads (Pure)

Abstract

Transit-oriented development (TOD), an urban planning concept that aims to promote sustainable transport modes, has been actively studied in recent years, especially in relation to car trips reduction. However, longitudinal studies on the matter are still rare. In this paper, we analyze the effects of the implementation of a new metro system after its first 10 years of operation focusing on how changes in the number of car trips were influenced by station type–TOD, transit-adjacent development (TAD) and park-and-ride (P&R). Specifically, we perform a before/after analysis of the impact of metro implementation in the Porto area (Portugal) both at a macro scale (civil parish) and at a micro scale (census tract) to analyze the overall effect of metro and more detailed effects only detectable at the micro scale. Census-tract data enables a comprehensive analysis of spatial spillover impacts from different stations, comparing the extent (i.e., the distance range within which the effect of station proximity is noticeable) and the magnitude (the reduction in the number of car trips) of the spillover in each case. Both direct and indirect metro impacts are already visible at the macro scale, yet at the micro scale the magnitude of the spillover effects varies depending on station type. The effects of TOD stations on the reduction of car trips are the strongest across the different station types and are felt up to a 2 km distance from a station, while TAD and P&R effects are weaker and do not reach beyond 1.2 km.

Original languageEnglish
Pages (from-to)1195-1206
Number of pages12
JournalInternational Journal of Sustainable Transportation
Volume17
Issue number11
DOIs
Publication statusPublished - 2022

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

  • Car trip reduction
  • longitudinal approach
  • metro systems
  • spatial regression models
  • spillover effects
  • transit-oriented development

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