Basic introduction
Hefei-Anqing expressway, referred to as He 'an Expressway for short, is one of the connecting lines of G42 national highway numbered G42 12 in China. The whole line is located in Anhui province and has been opened to traffic. He 'an Expressway starts from the suburb of Hefei, Anhui Province and Xiaoxichong, Ning expressway in the north, and reaches the north bank of Anqing Yangtze River Bridge in the south. It is the * * * section and connecting line of expressway (G50) and Jingfu expressway (G3) in Anhui Province. It was opened to traffic at the end of September 2002, with a total length of 174. 1 km. At present, there are 9 toll stations in Yandian, Shucheng, Lujiang, Tongcheng, Huaining, Anqing North, Anqing, Da Qiao and Anqing South, and 3 pairs of service areas in Fengle, Chenbu and Xiangpu.
Line design
Passing through five cities and nine counties. The whole line is in plain and hilly areas, and it is a fully enclosed, fully interconnected, two-way four-lane expressway, with SMA, superpave and AC- 16 asphalt concrete pavements respectively. Hefei to Gaohe River, design speed120km/h; The subgrade at the southern end of Gaoqing Yangtze River Highway Bridge is 26 meters wide, and the design speed is 100 km/h ... There is a bridge across the Yangtze River (Anqing Yangtze River Highway Bridge 200 1, 1, 65438+8,004), which was started with Anqing on February 26th, 2004. ), 8 extra-large bridges, 5 large bridges, and overpass bridges 10.
Construction significance
He 'an expressway is the main land passage connecting Central China, North China and South China in East China, and it is also an important north-south trunk highway in Anhui Province. Anqing Yangtze River Highway Bridge is a key project of the tenth five-year plan. As the 35th bridge on the Yangtze River, the whole line has an important geographical position in the national highway network and is of great significance to the development of the national economy.
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