G1221 Yanji–Changchun Expressway
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| 延吉－长春高速公路 | ||||
| Yanchang Expressway 延长高速 | ||||
| Major junctions | ||||
| East end | Yanji, Jilin | |||
| West end | Changchun, Jilin | |||
| Location | ||||
| Country | China | |||
| Highway system | ||||
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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 G1221 and commonly abbreviated as Yanchang Expressway (Chinese: 延长高速), is an expressway in Jilin, Northeast China linking the cities of Yanbian and Changchun, Jilin.
Detailed Itinerary
 East to West
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Currently named S1116 Wangda Expressway
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 G12 Hunwu Expressway
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 Under Construction
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Yanshan Rd.
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 S202 RoadLongjing-Toudao | |||||
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 S1118 Songchang Expressway(To be Renamed  G1215 Songchang Expressway)
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 G11 Heda Expressway
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Currently named S22 Dake Expressway
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 G1212 Shenji Expressway
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 S96 Changchun Area Ring Expressway
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| Changchun Metropolitan Area
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 G2501 Changchun Ring Expressway
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 West to East
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