The east section is in concurrency with G4 Beijing–Hong Kong and Macau Expressway, and was finished in 2004.
The south and west section, also known as Zhengzhou Southwest Ring Expressway, was finished in August 2005.
The expressway is currently toll-free for light passenger vehicles registered in Zhengzhou (the initial characters on licence plates are 豫A).
Some exits in the north and east, such as Huiji, Wenhua Road, Liulin, Zhengzhou New Area, Putian, etc.
In counter-clockwise order from northwest direction: Note: italic indicates the routes that were available in 2013 network plan, but removed in 2022 network plan