| Country: | CHN |
| Photo Notes: | The toll station at Lingang New Area before the Donghai Bridge. Note the sign showing the old designation of the expressway, A2. |
| Map: | Shanghai S2 map.svg |
| Province: | Shanghai |
| Type: | S |
| Route: | 2 |
| Alternate Name: | Hulu Expressway 沪芦高速公路 |
| Length Km: | 42.31 |
| Length Ref: | [1] |
| Length Notes: | Length excludes the Donghai Bridge. |
| Terminus A: | in Pudong New Area, Shanghai |
| Junction: | in Pudong New Area in Pudong New Area |
| Terminus B: | Lingang New City, Pudong New Area, Shanghai |
| Previous Type: | S |
| Previous Route: | 1 |
| Next Type: | S |
| Next Route: | 3 |
The Shanghai–Luchaogang Expressway, commonly referred to as the Hulu Expressway and designated S2, is a 42.31adj=midNaNadj=mid in the city of Shanghai, China. The entire route runs within Pudong New Area in the city of Shanghai, and was originally designated A2.[2]
The Shanghai–Luchaogang Expressway runs in Pudong New Area for its entirety. It begins at the Outer Ring Yingbin Expressway Interchange,[3] an interchange with S1 Yingbin Expressway and S20 Outer Ring Expressway. It travels southward, meeting the Shanghai–Jiaxing–Huzhou Expressway, and then curves southeastward to meet the G1503 Shanghai Ring Expressway. It ends at Lingang New City on the southeastern coast of Shanghai, just before the Donghai Bridge. The Donghai Bridge connects Shanghai to Yangshan Port, a deep-water port administered by Shengsi County, Zhoushan, Zhejiang in Hangzhou Bay.