| Country: | CHN |
| Province: | Shanghai |
| Type: | S |
| Route: | 3 |
| Map: | Shanghai_S3_map.svg |
| Alternate Name: | Hufeng Highway 沪奉公路 |
| Length Km: | 3.12 |
| Terminus A: | / Luoshan Elevated Road in Pudong New Area |
| Direction A: | South |
| Terminus B: | Zhoudeng Highway in Pudong New Area |
| Previous Type: | S |
| Previous Route: | 2 |
| Next Type: | S |
| Next Route: | 4 |
Hufeng Highway, designated S3, is a planned expressway within the city of Shanghai. It was originally known as Expressway Line 5 or the A3 expressway. According to preliminary reports, the expressway is expected to cost .[1] In December 2016 the first section was open to public, which is 3.12 km long. [2]