The G4001 Hefei Ring Expressway ( Chinese: 合肥绕城高速公路) is a ring expressway around the main urban area of Hefei, Anhui, China. The expressway was fully opened to traffic on 28 October 2008 and is currently a toll road. [1] [2]
Note: italic indicates the routes that were available in 2013 network plan, but removed in 2022 network plan