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.
Note: italic indicates the routes that were available in 2013 network plan, but removed in 2022 network plan