He 'an Expressway (GG4212), with a total length of 174.1 km, was opened to traffic at the end of September 2002. He 'an Expressway starts from Xiaoxicong junction in the south ring section of Hefei Ring Expressway in the north, connects with Anqing Yangtze River Bridge in the south, and then connects with Yangtze River Expressway in the south. Xiaoxicong junction to Mayan junction is the common section of G3 Jingtai Expressway, and the section of Dongfengzidun junction to Anqing Yangtze River Bridge is the common section of G50 Shanghai-Chongqing Expressway. At present, there are Binhu New District, Yandian, Shucheng, Lujiang, Tongcheng, Huaining, Anqing North, Anqing, Daqiao, Anqing South Toll and Fengle, Chenbu, Xiangpu, Dalong Shan service areas on He 'an Expressway. He 'an Expressway is the main land passage connecting East China with Central China, North China and South China. It is also an important trunk highway in Anhui Province from south to north. He 'an Expressway has an important geographical position in the national highway network and is of great significance to the development of national economy.