新京报讯（记者裴剑飞）11月27日，长达1760米108新线高速河东村隧道出京方向正式贯通，它也是108 新线高速首条实现贯通的隧道，这条隧道所在的位置正是房山溶洞群，项目团队通过开展超前地质预报 确保了施工安全。 河东村隧道位于房山区河北镇西侧的半山腰上，是108新线高速公路的控制性工程，由东向西穿越三福 村、河东村和檀木港村。 在山谷间，一座座桥墩已经立起，未来这里将建成东庄子大桥。108新线高速将与建设中的国道108三期 工程在此处交会。两条道路将由匝道桥相连，通车后市民驾车经过此处，向北可以前往潭柘寺和门头沟 城区，向东南可以前往青龙湖和良乡城区，向西可以前往霞云岭乡方向。 在北京"23·7"暴雨后，北京市交通委员会编制了灾后恢复重建交通专项规划，提出西部山区"三横三 纵"生命线主通道规划，108新线高速公路作为"三横三纵"生命安全干线通道中的一条横向干线通道， 在"十五五"期间建成后，将有效提高西部山区的抗灾能力与路网韧性，对于深入推进京津冀协同发展交 通一体化、提升首都地区防汛抗洪能力、带动沿线地区经济社会发展具有重要意义。 108新线高速公路位于北京市房山区中北部，与G108共走廊，路线呈东西走 ...

Group 1 - The construction of the 108 New Line Expressway is progressing rapidly, with significant developments such as the initial formation of tunnel entrances and the establishment of bridge piers [1] - During the "May Day" holiday, over 400 workers continued construction efforts, with project manager Kong Yongming overseeing daily plans and safety checks [1] - The project includes key structures like the Dongzhuangzi Bridge and the Jiangjun Tuo Interchange, which are crucial for connecting to National Highway 108 Phase III [1] Group 2 - The only service area along the route, Fozizhuang Service Area, is being constructed using tunnel spoil to fill the rugged terrain, with a total area of 2.4 hectares [2] - The 108 New Line Expressway spans approximately 60 kilometers, with a bridge-tunnel ratio of about 88%, indicating a complex construction environment [2] - The project is expected to enhance disaster resilience and transportation integration in the western mountainous region, contributing to the economic and social development of the area [2]