Research on the Problems Existing in China's Transportation Structure and Optimization Policy

At present, highway transportation is the main mode of in China, but has problem high cost, energy consumption and pollution. Although China put forward development policy public transit railway, it still needs some time to achieve this goal. This paper studies traffic structure from middle level; combined with empirical analysis, concluded that railway transport a greater impact on national income than road transport; existing problems causes China's are analyzed optimization policies forward.