The Lianyungang–Khorgas Expressway (Chinese: 连云港－霍尔果斯高速公路), designated as G30 and commonly referred to as the Lianhuo Expressway (Chinese: 连霍高速公路), is 4,243-kilometre-long expressway (2,636 mi)[1] 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.

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.

Part of the Expressway passes through the historically significant Hexi Corridor in Gansu and Xinjiang.

The expressway passes through the following cities: On February 1, 2013, a truck carrying fireworks exploded on the Yichang Bridge, which carries the Lianyungang–Khorgas Expressway, in Mianchi County, Sanmenxia, Henan, causing an 80 m section of bridge to collapse.