Road accidents are a major problem in both developed and developing countries, although related to different historical reasons and circumstances. The clear, common feature is the impact caused by three major factors: use of the automobile, road infrastructure and the road users (human factor), this has generated interest from researchers and academia. Most research has been limited in scope, while some researchers used secondary data, some use official reports, experimental investigation through system approach. The inability to recognize the complexity of factors that affect this issue may explain why we have conflicting results obtained by different researchers. The purpose of this paper was to develop a sustainable road safety model that is based on concurrent research, including: Human factors, Vehicle factors and Road factors. A sustainable approach was taken in evaluating relationships among the various factors and indicators thereby proposing a model that can serve as a tool for benchmarking and policy decision. Keywords: Road Safety; performance; Indicators; Human Factors; Sustainability