Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/46523
Title: Riding the Edge-Unveiling the Key Factors behind Injury Severity in Single-Vehicle Motorcycle Crashes
Authors: FERKO, Marija 
Babic, Dario
PIRDAVANI, Ali 
Issue Date: 2025
Publisher: SVEUCILISTE U ZAGREBU, FAKULTET PROMETNIH ZNANOSTI
Source: Promet (Zagreb) = Traffic & transportation, 37 (4) , p. 834 -852
Abstract: Motorcyclists are among the most vulnerable road users, with single-vehicle crashes often resulting in severe or fatal injuries. Although some earlier studies focus on motorcyclists, crash statistics show significant space for motorcyclist safety improvement. This study examines the factors influencing crash severity by analysing police-reported crash data in the Republic of Croatia from 2017 to 2022, incorporating rider characteristics, roadway and environmental conditions, and crash circumstances. A data-driven approach was applied to assess the relative importance of these factors in determining single-vehicle motorcycle crash injury severity. This study utilised two different modelling approaches-multinomial logistic regression and random forest modelling to investigate the factors influencing crash severity. The results highlight that rider age, road type, speed conditions and alcohol consumption significantly influence crash outcomes. Older riders and crashes occurring on county and local roads were more likely to result in severe or fatal injuries. At the same time, inappropriate speed and collisions with roadside objects further increased the likelihood of fatal outcomes. The findings suggest the necessity of targeted interventions, including enhanced speed management, infrastructure improvements, stricter enforcement of alcohol regulations and advanced rider safety programs. To complement this research, future research should integrate more detailed behavioural and vehicle-specific data to refine injury severity predictions. This study provides valuable insights for policymakers and transportation safety professionals seeking to mitigate the severity of motorcycle crashes and enhance overall road safety.
Notes: Ferko, M (corresponding author), Univ Zagreb, Fac Transport & Traff Sci, Zagreb, Croatia.; Ferko, M (corresponding author), UHasselt, Fac Engn Technol, Diepenbeek, Belgium.
mferko@fpz.unizg.hr; dario.babic@fpz.unizg.hr; ali.pirdavani@uhasselt.be
Keywords: motorcycle;crash severity;single-vehicle crash;safety
Document URI: http://hdl.handle.net/1942/46523
ISSN: 0353-5320
e-ISSN: 1848-4069
DOI: 10.7307/ptt.v37i4.1091
ISI #: 001533805700002
Rights: This work is licensedunder a Creative Commons Attribution 4.0 International Licence.
Category: A1
Type: Journal Contribution
Appears in Collections:Research publications

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