Before July 8, 2024, this expressway was a part of Lannan Expressway (Chinese: 兰南高速公路) which started at Lankao and ended at Nanyang.
The first phase of the expressway is from Xuchang to Nanyang via Pingdingshan and was called as Xupingnan Expressway (Chinese: 许平南高速公路).
This section was opened on 12 December 2004 and provided expressway connections to the above-mentioned three major cities in Henan.
[1] The second phase (Lankao–Xuchang section, called Lanxu Expressway) was opened on 19 November 2005.
On July 8, 2024, the latest version of Henan Expressway numbering was released by Henan Provincial Department of Transportation.