Speed related variables for crash injury risk analysis: What has been used?

Guilhermina Torrão*

*Corresponding author for this work

    Research output: Contribution to journalReview Articlepeer-review

    2 Citations (Scopus)

    Abstract

    Speed is a major risk factor in overall road safety performance. The objective of this study was to identify the most frequent explanatory variables and measures used to investigate the speed factor contribution to crash injury risk (CIR). For this purpose, a literature oriented approach was used. The analysis review, underpinned by data collected from 64 journal publications reported over the past 21 years shows that speed limit was the most frequently used variable selected by the authors to investigate speed contribution CIR. Following, speed delta-V was the second most used variable, despite the barriers to access in-depth crash quality data. Even so, the speed limit was used 3.5 times more than delta-V, possibly due to the facilitate accessibility to the roads standardize posted speed limits. However, it is unknown how much vehicles travel speed could deviate from the posted speed limit at the moment of the crash.

    Original languageEnglish
    Pages (from-to)1560-1567
    JournalInternational Journal of Crashworthiness
    Volume27
    Issue number5
    DOIs
    Publication statusPublished - 2022
    MoE publication typeA2 Review article in a scientific journal

    Funding

    The corresponding author would like to thank you Doctor Raluca Lefticaru, University of Bradford, UK, for her time in providing suggestions and improvements for this paper.

    Keywords

    • Crash
    • injury
    • risk
    • speed
    • variables
    • vehicle

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