首尔地铁4号线
首尔地铁4号线（朝鲜语：서울 지하철 4호선／서울 地下鐵 4號線 Seoul Jihacheol Sahoseon）是一条连结大韩民国首尔特别市芦原区堂岭站搭首尔特别市瑞草区南泰岭站，属于首尔特别市个都市铁道路线。
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