In order to have a comprehensive and comparative review on traffic accidents among other Provinces in China, efforts are being made to collect the nationwide traffic accidents data. Second, in current study, traffic violations type has not be separated for further analysis. For example, speeding, drunk driving or fatigue driving each has its own significant risk factors. Future research work will look into type-specific traffic violations events and assess their corresponding risk factors. Third, for some accidents, the occurrence of the event may relate to the passenger or some unexpected road incidences, but not the driver, our models are not able to take them into account as such information are not recorded in the Traffic Management Incident Case Data Report