| Country: | CHN |
| Photo Notes: | The Shanghai–Nanjing Expressway terminates at Zhongshan Gate in Nanjing. |
| Type: | G |
| Established: | 1996 |
| History: | 1996–2005: Known as the Shanghai–Nanjing Expressway, designated A11 in Shanghai 2005–present: Redesignated as the G42 Shanghai–Chengdu Expressway for its entire length and G2 Beijing–Shanghai Expressway between Shanghai and Wuxi |
| Allocation: | (between Shanghai and Wuxi) (between Shanghai and Maqun Interchange in Nanjing) Connecting Line (between Maqun Interchange and Zhongshan Gate in Nanjing) |
| Shanghai–Nanjing Expressway | |
| Translation: | 上海–南京高速公路 |
| Lang: | zh |
| Alternate Name: | Huning Expressway 沪宁高速公路 |
| Direction A: | East |
| Terminus A: | Wuning Road and Daduhe Road, Shanghai |
| Direction B: | West |
| Terminus B: | East Zhongshan Road,Zhongshan Gate Street and Muxuyuan Street, Nanjing |
The Shanghai–Nanjing Expressway is the main expressway between the Chinese cities of Shanghai and Nanjing. It is also the busiest expressway in China.[1] The expressway began construction on June 14, 1992, was completed in February 1996, and opened to traffic November 28, 1996. That year, it was listed as a key national construction project.
As the first highway in Jiangsu province, the Shanghai–Nanjing Expressway has up-to-date charge, monitoring, communications, lighting, safety and service facilities. It has improved transportation in Jiangsu and Shanghai, and encourages development along its length. It was the first expressway in China to use remote traffic monitoring.[1]
The expressway is a modern, enclosed, four-lane, two-way highway. Each lane is wide, and the highway's roadbed is wide. There is a 3m (10feet) dividing strip in the center of the highway and a 2.5m (08.2feet) emergency parking area on each side of the highway. The speed limit is . It is 274km (170miles) in length. It runs from Zhenru, Shanghai to Maqun, Nanjing via Anting, Kunshan, Suzhou, Shuofang (Chinese: 硕放街道), Wuxi, Changzhou, Danyang, Zhenjiang and Jurong. The Shanghai section is 25.87km (16.07miles) in length, and the Jiangsu section is 248.21km (154.23miles) long. The Zhenjiang section (a branch highway) is 10.25km (06.37miles) long. In Shanghai, the highway is coterminous with G2 Beijing–Shanghai Expressway and G42 Shanghai–Chengdu Expressway.