In recent years, driven by social and economic development and national policies, China's urbanization process has developed rapidly. With the rapid growth of urbanization rate, the huge demand of urban traffic is brought. China is one of the countries with the fastest speed of road and other transportation infrastructure construction in the world, and also one of the countries with the fastest growth of transportation demand. Expressway is still the main direction of government investment in infrastructure construction.

According to data, 2.1895 billion yuan was invested in road construction in 2019, an increase of 2.6 percent over the previous year. Of this, 11.1504 trillion yuan was invested in highway construction, up 15.4%; The investment in the construction of ordinary national provincial roads reached 492.4 billion yuan, down 10.3%; The total investment in rural road construction was 466.3 billion yuan, down 6.5%.