G0421 Xuchang–Guangzhou Expressway
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|Auxiliary route of G4|
|North end||Xuchang, Henan|
|East end||Guangzhou, Guangdong|
|National Trunk Highway System|
The Xuchang–Guangzhou Expressway (simplified Chinese: 许昌－广州高速公路; traditional Chinese: 許昌－廣州高速公路), designated as G0421 and commonly abbreviated as Xuguang Expressway (Chinese: 许广高速) is an expressway in Central South China linking the cities of Xuchang and Guangzhou. This expressway is a branch of G4 Jinggang'ao Expressway.