The purpose of this paper is to propose suggestions on how to effectively solve the problems of insufficient financing funds in highway development, and how to make full use of the national highway investment policy in guiding funds allocation. It analyzes the interactive relationship between the growth of highway investment and the development of highway construction. With in-depth studies on the differences of highway investment policy in different stages, this paper explores the features of

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... he vehicle purchase tax subsidy, including its regional support policy, directional support policy and its subsidy standards. In addition, the paper also evaluates effects of the investment policy in terms of boosting national economic growth and promoting coordinated regional development. In conclusion, the paper sums up best practices in the implementation of the highway investment policy, namely keeping the investment scale to meet the requirements of highway development, issuing differentiated policies in different stages and for different fields, exploring more flexible and diverse investment methods to provide solid support, and innovating the management modes in accordance with the reform on the division of power and responsibilities of the government, which helps to improve the effectiveness and the efficiency of the utility of funds.