The Lianyungang–Khorgas Expressway, designated as G30 and commonly referred to as the Lianhuo Expressway, is 4,243-kilometre-long expressway (2,636 mi) in China that connects the cities of Lianyungang, in the province of Jiangsu, and Khorgas, in the autonomous region of Xinjiang, on the border with Kazakhstan. At Khorgas, there is a border crossing into Kazakhstan. The expressway is the longest contiguous expressway in China with a single numeric designation, stretching across the country from the Yellow Sea on the east coast to the Kazakhstan border in the west. It passes through the provinces of Jiangsu, Anhui, Henan, Shaanxi, Gansu, and Xinjiang.

The Beijing–Shanghai Expressway designated as G2 and commonly abbreviated as the Jinghu Expressway is a major expressway of China, linking the capital Beijing in the north to Shanghai on the central coast. It extends 1262 kilometres in length, and was finished in 2006.