Directed against the highway construction financing difficulties and that financing main channel is single,based on the analysis of the highway project financing for BOT mode,the whole life cycle of the highway BOT project financing risk with grey fuzzy evaluating method is proposed.In the whole life cycle,using grey fuzzy warning model of highway BOT project financing to evaluate the risks in the BOT process of analysis,the expert scoring method is used to determine the index weight of the risk,combined with analytic hierarchy process (ahp),...