Surrogate safety measures and traffic conflict observations.

Andras Varhelyi, Aliaksei Laureshyn, Carl Johnsson, Nicolas Saunier, Richard van der Horst, Maartje de Goede, Tanja Kidholm Osmann Madsen

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Abstract

The chapter primarily focuses on observing traffic conflicts (also known as near-accidents) as a site-based road safety analysis technique. Traffic conflicts are a type of surrogate safety measure. The term surrogate indicates that non-accident-based indicators are used to assess VRU safety instead of
the more traditional approach focusing on accidents (see chapter 2). The theory underpinning surrogate safety measures is briefly described, followed by a discussion on the characteristics of the traffic conflict technique. Next, guidelines for conducting traffic conflict observations using trained human observers or video cameras are presented. Chapter 4 concludes with examples of the use of the traffic conflict technique in road safety studies focusing on VRUs.
Translated title of the contributionSurrogat säkerhetsindikatorer och trafikkonflikt observationer
Original languageEnglish
Title of host publicationHow to analyse accident causation?
Subtitle of host publicationA handbook with focus on vulnerable road users
EditorsEvelien Polders, Tom Brijs
Place of PublicationHasselt university, Belgium
PublisherInDeV, Horizon 2020 project
Chapter4
Pages95-128
Number of pages34
Editionfirst
ISBN (Print)9789089130648
Publication statusPublished - 2018 Sept 9

Subject classification (UKÄ)

  • Engineering and Technology
  • Transport Systems and Logistics

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