2. Yunmao expressway is a cross-border expressway built by Guangdong Province in the mountainous area of western Guangdong. It starts from Yunfu Luoding in the east, connects Guangxi Beiliu in the west, and passes through Maoming Xinyi and Gaozhou along the way. According to the standard of two-way four lanes, the mileage from Xinyi to Guangzhou and other Pearl River Delta regions will be shortened by about 40 kilometers.
3. The total length of Yunmao expressway is129.87km, and the design speed is100km. Therefore, the higher speed of Yunmao Expressway can reach 100 yards.