Anhui section of Li Guangzhou Expressway is an important part of the Yangzhou-Jixi Expressway. It starts from Liaoqiao at the junction of Anhui and Jiangsu, passes through Langxi County and Guangde County in Xuancheng City from north to south, crosses the new and old Langchuan River and Xuanhang Railway, and connects the Xuanguang section of the G50 Shanghai-Chongqing Expressway in operation and the Guangde-to-Ningguo Expressway under construction.Li - Guangzhou Expressway is one of the "four vertical and eight horizontal" expressway network in Anhui Province and the G40 of the national expressway network

The important link line of Shanghai-Shaanxi Expressway, with a total length of 38.776 kilometers, is equipped with 2 toll stations (Langxi main line station, Langxi east toll station) and 1 Langxi service area.

The Anhui section of li - guangzhou expressway will form a fast passage between south jiangsu province and south anhui and central anhui region, wuyuan of jiangxi province and southeast coast of fujian province, which will be beneficial to the comprehensive connection between anhui province and the Yangtze river delta region and improve the transportation conditions and investment development environment of xuancheng, huangshan and south anhui region.