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Using crowd sourcing to locate and characterize conflicts for vulnerable modes
University of Texas at Arlington.
2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Most agencies and decision-makers rely on crash and crash severity (property damage only, injury or fatality) data to assess transportation safety; however, in the context of public health where perceptions of safety may influence the willingness to adopt active transportation modes (e.g. bicycling and walking), pedestrian-vehicle and other similar conflicts may represent a better performance measure for safety assessment. For transportation safety, a clear conflict occurs when two parties’ paths cross and one of the parties must undertake an evasive maneuver (e.g. change direction or stop) to avoid a crash. Other less severe conflicts where paths cross but no evasive maneuver occurs may also impact public perceptions of safety esspecially for vulnerable modes. Most existing literature on conflicts focuses on vehicle conflicts. While some research has investigated bicycle and pedestrian conflicts, most of this has focused on the intersection environment. This research proposes the development and field testing of a crowd-sourced data app to better understand the continuum of conflicts (bicycle/pedestrian, bicycle/vehicle, and pedestrian/vehicle) experienced by active modes of transportation such as pedestrians and cyclists; the study also tests the effectiveness of the app and its associated crowd sourced data collection. This study assesses the data quality of the crowd sourced data and compares it to more traditional data sources while performing hot spot analysis. The app users provide feedback about the overall competency of the app interface and the performance of its features to the app developers. If widely adopted, the app will enable communities to create their own data collection efforts to identify dangerous sites within their neighborhoods. Agencies will have a valuable data source at low-cost to help inform their decision making related to bicycle and pedestrian education, encouragement, enforcement, programs, policies, and infrastructure design and planning.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2018.
National Category
Transport Systems and Logistics
Research subject
X RSXC
Identifiers
URN: urn:nbn:se:vti:diva-12965OAI: oai:DiVA.org:vti-12965DiVA, id: diva2:1204925
Conference
18th International Conference Road Safety on Five Continents (RS5C 2018), Jeju Island, South Korea, May 16-18, 2018
Available from: 2018-05-16 Created: 2018-05-09 Last updated: 2018-05-15Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf