Tarrahan Parseh Transportation Research Institute International Journal of Transportation Engineering 2322-259X 13 4 2026 04 01 Preventing Motorcycle Accidents: A Multi-Institutional Model 2309 2338 236024 10.22119/ijte.2025.532957.1702 EN Smaeil Ehsanpoor Assistant Professor, Traffic Safety Department, Amin Police Comprehensive University, Iran Habibzadeh Ashab Professor of Communication Sciences, Department of Educational Administration, Farhangian University of Tehran, Iran 0000-0001-9849-9038 Mehdi Javid Assistant Professor, Department foreign Languages, Amin Police Comprehensive University, Iran 0009-0001-2774-3934 Journal Article 2025 07 16 As urban traffic becomes increasingly dense, the use of motorcycles has increased in metropolitan areas. Given the multifaceted nature of traffic accidents, there is a pressing need for constructive interaction among the various institutions involved in managing motorcycle traffic safety. The aim of this study is to present a multi-institutional prevention model for motorcycle accidents. This applied research used a mixed-methods approach, combining qualitative content analysis and quantitative descriptive-survey methods. In the qualitative phase, the statistical population consisted of experts and managers from organizations related to motorcycle traffic safety. Participants were selected using non-probability purposive sampling until theoretical saturation was achieved. In the quantitative phase, the statistical population included 9,223 individuals selected via convenience sampling. The statistical population in the quantitative section consisted of Judicial Experts, Traffic Accident Experts from the Iran Highway and Traffic Police Department, Traffic Police Headquarters of Iranian National Police, the Ministry of Roads and Urban Development, and the Civil Affairs Department of the Ministry of Interior, who were selected based on their availability. Sampling in the qualitative section was conducted purposefully based on criteria, while in the quantitative section, it was done using stratified random sampling proportional to the size of each stratum in the total population, resulting in a sample size of 384 individuals according to the Morgan table.The multi-institutional prevention model includes the following dimensions: organizational structure (t = 26.894), inter-institutional communication (t = 25.251), multifaceted cultural development (t = 25.392), technical factors (t = 12.436), and comprehensive education (t = 10.281). The organizational structure dimension had the highest impact, while comprehensive education had the lowest. All factor loadings were above 0.50 and statistically significant at the 95% confidence level. The prerequisites for a multi-institutional approach to preventing motorcycle accidents include developing an appropriate organizational structure, fostering inter-institutional communication, promoting multifaceted cultural development, implementing intelligent control systems, and providing comprehensive education. Emphasizing these dimensions and adopting an interdisciplinary approach to traffic management can lead to improved safety for motorcyclists. http://www.ijte.ir/article_236024_cdd578f929af0e944dd033f735bdceec.pdf