Guangyun Expressway (Guangzhou-Yunfu) is also a section of Guang Kun Expressway (Ma 'an in Gaoyao City to Hekou in Yunfu City), with a total length of 37.45 kilometers and four lanes in both directions. Design speed 100km/h, partial sections 120km/h, total investment142 million yuan. It starts from Ma 'an, Gaoyao City, which is under Zhaoqing's jurisdiction in the east, connects with the terminal of Zhao Guang Expressway, passes through Baizhu Town, Gaoyao City, Silao Town and Antang Town, Yuncheng District, Yunfu City, passes through Yuncheng Industrial Zone, and crosses the Yunfu Branch of Sanmao Railway, crossing the 324 National Road. It starts from Hekou Street in the east of Yunfu City in the west, connects Hekou to the platform section of Guangwu Expressway, and is connected with National Highway 324.
As the last expressway in Guangdong, its influence is extraordinary. It is an important part of the national key highway from Shanwei, Guangdong to Qingshui, Yunnan, and also a part of the Guang Kun section of the national highway G80. It is an important channel for communication between Hong Kong and Macao, the Pearl River Delta and western and southwestern Guangdong provinces, and it is also one of the important channels for regional cooperation in the Pan-Pearl River Delta and the development of Guangdong.