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Shared Space and Pedestrian Safety: Empirical Evidence from Pedestrian Priority Street Projects in Seoul, Korea

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  • Haeryung Lee

    (Department of Urban Design and Studies, Chung-Ang University, Seoul 06974, Korea)

  • Seung-Nam Kim

    (Department of Urban Design and Studies, Chung-Ang University, Seoul 06974, Korea)

Abstract

To provide safe and comfortable walking environments on narrow streets without sidewalks, the Seoul city government has implemented the Pedestrian Priority Street (PPS) projects. Based on Monderman’s “shared space” concept, the PPS involves applying diverse paving design techniques, particularly stamped asphalt pavement of various colors and patterns. This study investigated the effectiveness of the PPS for pedestrian safety. Data sources were (1) video recordings of the nine concurrent PPS in 2014 before and after the projects were completed and (2) a cross-sectional survey at the nine streets. Two groups of multiple regression models analyzed the objective safety, by using the variables, mean vehicle speed and change in mean speed, which were then compared with subjective safety through a questionnaire analysis. The results found that the design strategies reduced the vehicle speed and increased perceptions of pedestrian safety. These suggest that the PPS principles are practical and feasible ways to tackle the safety problems of narrow streets without sidewalks. Further, vehicle speeds increased on streets where the pedestrian zone was clearly distinguishable from the vehicular zone by applying PPS techniques only at the roadside. Thus, clearly separating pedestrians from vehicular zones, which is neither the original principle nor the intent of the PPS, should be avoided.

Suggested Citation

  • Haeryung Lee & Seung-Nam Kim, 2019. "Shared Space and Pedestrian Safety: Empirical Evidence from Pedestrian Priority Street Projects in Seoul, Korea," Sustainability, MDPI, vol. 11(17), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:17:p:4645-:d:261126
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    References listed on IDEAS

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    1. Auttapone Karndacharuk & Douglas J. Wilson & Roger Dunn, 2014. "A Review of the Evolution of Shared (Street) Space Concepts in Urban Environments," Transport Reviews, Taylor & Francis Journals, vol. 34(2), pages 190-220, March.
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    Cited by:

    1. Jae-Hong Kwon & Gi-Hyoug Cho, 2023. "The Long-Lasting Impact of Past Mobility Dependence on Travel Mode Share in a New Neighborhood: The Case of the Seoul Metropolitan Area, South Korea," Land, MDPI, vol. 12(10), pages 1-16, October.
    2. Juwon Chung & Seung-Nam Kim & Hyungkyoo Kim, 2019. "The Impact of PM 10 Levels on Pedestrian Volume: Findings from Streets in Seoul, South Korea," IJERPH, MDPI, vol. 16(23), pages 1-23, December.
    3. Seung-Nam Kim & Juwon Chung & Junseung Lee, 2022. "Exploring the Role of Transit Ridership as a Proxy for Regional Centrality in Moderating the Relationship between the 3Ds and Street-Level Pedestrian Volume: Evidence from Seoul, Korea," Land, MDPI, vol. 11(10), pages 1-22, October.
    4. Haeryung Lee & Seung-Nam Kim, 2021. "Perceived Safety and Pedestrian Performance in Pedestrian Priority Streets (PPSs) in Seoul, Korea: A Virtual Reality Experiment and Trace Mapping," IJERPH, MDPI, vol. 18(5), pages 1-17, March.

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