This paper introduces a case study of using iRAP (International Road Assessment Programme) method to improve road safety of non-motorised transport in Tianjin, China. Based on the field survey results on the roads, the author calculated the current the star rating risks for different road users. Roads were screened by the star ratings and key road safety issues were identified. Corresponding countermeasures were selected controlled by economic indices. Number of fatal injuries and fatalities saved if the countermeasures adopted also provides the policy makers and design institute quantitatively in improving the designs and planning strategy. This is the first time that the international risk assessment model is used in China to improve non-motorised transport and it will provide experiences of risk assessment to other developing countries.