7月4日，合肥市G4001连接线（北二环西延）工程——董铺水库下穿工程正在加紧推进。该工程全长约4千米，是合肥“五横七纵”主干路网的重要组成部分，也是北二环西延核心工程，采用双洞双层形式下穿董铺水库，盾构隧道规模为双向8车道。建成后将与长江西路快速路构成东西向双快速通道，对优化区域交通格局、提升通行效率、赋能沿线区域发展具有重要意义。
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