5月20日上午9点，郑州桐柏路下穿陇海路隧道正式通车。
桐柏路下穿隧道南北方向直接穿越陇海西路，全长850米，北起颍河路，南至汝河路，双向4车道。隧道的开通将为桐柏路陇海路南北双向直行车辆提供快捷的道路通行条件。
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