G1221 Yanji–Changchun Expressway

Yanji–Changchun Expressway
Yanji–Changchun Expressway
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Yanchang Expressway; 延长高速公路
Major junctions
East end	Yanji, Liaoning
West end	Chanchun, Liaoning
Location
Country	China
Highway system
	National Trunk Highway System; Primary; Auxiliary; National Highways; Transport in China;

The Yanji-Changchun Expressway (simplified Chinese: 延吉－长春高速公路; traditional Chinese: 延吉－長春高速公路), designated as G12S and commonly abbreviated as Yancheng Expressway (Chinese: 延长高速) is an expressway in Liaoning, Northeast China linking the cities of Yanbian and Changchun, Liaoning.