董铺水库下穿隧道工程快马加鞭
合肥日报
通讯员 葛传红
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2月1日，在董铺水库下穿隧道工程（G4001连接线北二环西延）项目施工工地，施工人员在加紧作业。董铺水库下穿隧道工程东起西二环与清溪路立交，西至科学岛路，全长约3.8公里，双向8车道；盾构隧道段长约2.9公里，采用双洞双层形式下穿董铺水库。（通讯员 葛传红 摄）
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