Core Viewpoint - The construction of the subway Line 1 branch is being accelerated to achieve seamless operation with the existing Line 1, leading to temporary station closures from February 15, 2023, until the end of May 2026 [1] Group 1: Construction Details - The construction involves the demolition of existing structural side walls, relocation of communication, signal, electromechanical, and power cables, and track laying, scheduled from February 15, 2023, to May 30, 2026 [2] - The construction environment is constrained, requiring simultaneous operations across five specialties while ensuring both construction and existing line safety [2] - The original construction period of eight months has been compressed to three and a half months to minimize disruption to Line 1 operations [2] Group 2: Project Management and Workforce - During the Spring Festival, eight out of twelve construction segments continued operations without interruption, with nearly 1,400 workers on-site to meet project deadlines [3] - The project segment at the Bajiao Amusement Park station involves connecting the new Line 1 branch with the existing Line 1, ensuring smooth integration during the closure period [3] - A total of 260 construction workers are actively engaged on-site to ensure the progress of the connection point construction [3]

中新网北京2月9日电 (记者 吕少威)记者今天从北京市交通委、北京市重大项目办获悉，为配合地铁1号 线支线建设，实现其与1号线贯通运营，自2026年2月15日起，1号线古城站、八宝山站将临时封站停 运，列车运行至玉泉路站折返，预计于2026年5月底改造施工完成后车站恢复运营，届时1号线苹果园站 同步开通，与6号线、S1线实现三线换乘。市、区交通部门将加强1号线运营组织、增加地面公交运力 和共享单车投放、增设非机动车停放区域等措施，保障沿线居民出行。 接轨改造施工为期三个半月 1号线支线作为服务石景山、丰台等区域的重要轨道交通线路，目前已进入全面建设阶段，预计2027年6 月具备开通条件。1号线支线与1号线的接轨点位于八角游乐园站东侧区间，通过对接轨点的改造施工， 预计线路建成后将在八角游乐园站与1号线实现贯通运营。 此次改造施工内容包括拆除既有1号线区间结构侧墙，改移通信、信号、机电、供电等光缆，铺设轨道 等。为最大限度减少对1号线运营的影响，北京市重大项目办会同北京市交通委，地铁建设及运营单位 充分调研，多次组织国内外相关领域专家咨询会，开展多轮方案研究，完成土建改造、线缆改移及轨道 铺设等关键工程的方案编 ...