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]

Core Viewpoint - The Beijing Municipal Transportation Commission and the Major Projects Office announced the temporary closure of Guocheng Station and Babao Mountain Station on Line 1 starting February 15, 2026, to facilitate the construction of a branch line, with expected completion by the end of May 2026 [1][2]. Group 1: Construction Details - The construction will involve the demolition of existing side walls, relocation of communication, signal, electrical, and power cables, and track laying [2]. - The total construction period is approximately three and a half months, from February 15 to May 30, 2026 [2]. - The branch line is expected to be operational by June 2027, connecting with Line 1 at the eastern section of the Bajiao Amusement Park Station [1]. Group 2: Passenger Travel Support Measures - To mitigate the impact of the station closures, multiple measures have been implemented, including enhanced passenger organization at key stations and increased bus services [3]. - Temporary shuttle bus routes will be established along the Line 1 corridor to facilitate transfers during the station closures [3]. - Additional bus capacity will be provided on routes connecting to the Yuyuan Road subway station to support passenger transfers [3]. Group 3: Non-Motorized Vehicle Support - The local government plans to create approximately 2,744 square meters of new non-motorized vehicle parking space, adding 1,380 new parking spots, bringing the total to nearly 5,000 [4]. - Shared bicycle operators will enhance vehicle maintenance and management to ensure availability during peak times [4].