The Shanghai–Changzhou Expressway (Chinese: 上海–常州高速公路), commonly referred to as the Huchang Expressway (Chinese: 沪常高速公路), is a completed 170.7-kilometre-long Chinese expressway (106.1 mi) that connects the cities of Shanghai and Changzhou.
It connects the cities of Shanghai, Suzhou, Wuxi, and Changzhou and serves as an important expressway between the province of Jiangsu and the direct-controlled municipality of Shanghai.
The Shanghai portion of the expressway is 25.7 km (16.0 mi) in length.
The Jiangsu portion is 145 km (90 mi) in length.
The expressway was fully completed on 30 December 2021.