Ninghe Expressway starts from Shushan Toll Station in the western suburb of Hefei, Anhui Province and ends at Kang Hua Bridge of Nanjing Jiangbei Expressway, with a total length of about 157.70 km. It is an important part of Hu Rong Expressway from Shanghai to Chengdu G42 and National Highway No.365 and No.438+02 from Shanghai to Ili Kazakh Autonomous Prefecture in Xinjiang Uygur Autonomous Region.

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Ninghe Expressway started in June1986+10.65438, and was completed in June1995+065438+/kloc-0.0. The total investment is 654.38+89 million yuan. Ninghe Expressway 3 1K- 133.43K, with a subgrade width of 26m, a pavement width of 9m× 2, an asphalt concrete shoulder of 2m× 2 and a central green belt of1.5m. It was completed and opened to traffic on June 4th, 2008. 0K-3 1K (Dashushan to Longtang section) has a subgrade width of 26m, a pavement width of 8.5m× 2 and a cement concrete shoulder of 2.75m× 2. The New Jersey guardrail is a central separation zone, which was completed and opened to traffic at the end of September. 1995.

Ninghe Expressway began to rebuild asphalt concrete pavement in 2002. In 2002, the reconstruction task of 15.6 km test section was completed, and in March 2003, it entered the stage of scale construction, completing the reconstruction task of 62 km double-line section, and in 2004, it completed the reconstruction task of 4 1.3 km double-line section, Longxi Interchange and 4.6 km section of southwest river flower bed. In 2004165438+1October 6, the whole line was rebuilt and opened to traffic, with a total investment of 740 million yuan. After the reconstruction of Ninghe Expressway, all the original cement concrete pavements were replaced by asphalt concrete pavements.