2026年3月11日，随着现场指挥一声令下，由中建三局承建的弋阳至南丰高速公路（以下简称“弋南高速”）YNSG-3标段马头山隧道正式启动洞身掘进施工。这是继五罗米隧道之后，该标段第二座进入主体施工阶段的长隧道，标志着项目隧道工程建设全面提速，为打通全线关键架梁通道、保障整体工期目标奠定了又一坚实基础。

马头山隧道位于抚州市资溪县马头山镇，设计为分离式隧道，左线长1061米，右线长1123米，是全线重点控制性工程之一。隧道穿越山岭重丘区，地质条件复杂，施工安全风险高、技术难度大。自项目启动以来，面对用地协调、复杂地形及材料运输等多重挑战，项目管理团队科学组织、精心筹划，严格按照专项施工方案推进各项准备工作。此前，项目团队已高效完成洞口截排水系统、导向墙套拱浇筑及超前管棚支护等关键工序，为安全、顺利进洞提供了充分的技术保障和安全屏障。

此次马头山隧道的顺利进洞，是项目积极响应江西省“大干项目、大抓落实”部署要求，全力冲刺年度攻坚目标的重要体现。隧道施工将严格遵循“管超前、严注浆、短进尺、强支护、早封闭、勤量测”的原则，广泛应用湿喷机械手、智能化监控量测等先进工艺与设备，确保工程安全、质量与进度全面受控。同时，项目将持续强化与属地政府的沟通协作，落实环保水保措施，致力打造绿色、和谐的施工环境。

弋南高速是江西省高速公路网规划“十纵十横十绕”中纵二线并行线的重要组成部分，建成后将有效完善赣东北区域路网结构，强化沿线县市与长三角、海西经济区的连接，对促进区域经济社会发展具有重大意义。马头山隧道作为项目关键节点，其建设的稳步推进，为全线如期建成通车注入了强劲动力。

目前，弋南高速YNSG-3标段各项建设工作正按计划有序推进。项目全体建设者将以马头山隧道进洞为新起点，凝心聚力，攻坚克难，全力打造平安百年品质工程，为助力江西交通强省建设贡献中建力量。

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弋阳至南丰高速公路

该项目起于弋阳县清湖乡，连接沪昆高速新增的弋阳西互通，途经贵溪市、资溪县、南城县、黎川县，终于南丰县桑田镇，接济广高速，路线全长177.95公里。采用双向四车道高速公路标准建设，设计速度100公里/小时。

来源：抚观天下

编辑：郭苏敏