Abegaz, Teferi(PhD)Gezu, Meaza (MSc)Adugna, Negesa2021-11-252023-11-052021-11-252023-11-052021-06http://etd.aau.edu.et/handle/123456789/28944Background: - Road traffic accidents are one of the main public health problem results pre-mature death and injuries in the world. Ethiopia is among the leading countries in road traffic accident in the world. Addis Ababa – Adama Expressway is one of the newly introduced modern toll road with a traffic accident are occurred increasingly. This study describes prevalence, trend and associated factor of road traffic injury crashes. Objectives: To assess the prevalence and trend of road traffic injury crash and associated factors on Addis Ababa-Adama Expressway. Methods: - The study is based on the secondary data collected from Ethiopian Toll Road Enterprises from September 2014 to August 2018. The collected data contained information about the cause of accident, types of accidents, human causality and injury and other relevant information on the environmental condition and vehicle characteristics. Electronic data received in excel sheet was transferred to SPSS statistical software for analysis. Bivariate and multivariate Logistic regression analysis was employed to determine the possible predictors. . Results: - The overall prevalence of RTIC was (30%). In bivariate logistic regression: age of driver, season, types of vehicle, and types of collision and cause of road traffic crashes were significant association with RTC. Socio-demographic status, being 50 and above(AOR=2.03, 95% CI: 1.13, 2.58), types of vehicle status, being minibus and bus (AOR- 2.75, 95% CI: 1.88, 4.02), pick up and medium truck (AOR= 1.88, 95% CI: 1.30, 2.71), automobile( AOR= 1.50, 95% CI: 1.07,2.10), car overthrow (AOR= 2.00, 95% CI: 1.49, 2.67), sleeping/fatigue (AOR= 2.76, 95% CI: 1.15, 4.62), over speeding (AOR= 1.53, 95% CI: 1.10, 1.12) and unethical driving (AOR= 1.43 95% CI: 1.08, 1.90). Conclusion: Road traffic injury crash on Addis Ababa-Adama Expressway become increasing. This trend showed that the issue need urgent attention and consider as a priority public health agenda.en-USRoad Traffic, Injury ,CrashThesis