What is the name of Shangnan Expressway from Nanyang to Zhengzhou?

S8 1. According to relevant information, the abbreviation of Shangnan Expressway is: Shangnan Expressway Henan ExpresswayNo.. : S8 1, the main connecting road, starting from Jiguang Expressway in liangyuan district, Shangqiu City, Henan Province and ending at Erguang Expressway in Wolong District, Nanyang City, Henan Province. Nanyang, formerly known as Wan, is a prefecture-level city and sub-central city under the jurisdiction of Henan Province, an important transportation hub in the central region approved by the State Council, and a regional central city in the border area between Henan, Hubei and Shaanxi.