Core Viewpoint - The Beijing Subway Line 1 branch line has commenced connection renovation, with temporary station closures at Gucheng and Babao Mountain stations expected to last until the end of May 2026 [1][3]. Group 1: Renovation Details - The renovation aims to connect the new branch line with the existing Line 1, with the connection point located east of the Bajiao Amusement Park station [3]. - The construction will involve the removal of existing structural walls, relocation of communication signals, and laying of connecting tracks, with a total planned construction period of approximately 3.5 months from February 15 to May 30, 2026 [5]. - During the renovation, the operational segment of Line 1 will be temporarily adjusted to run from Yuyuan Road Station to Universal Resort Station, with trains reversing at Yuyuan Road Station [3][9]. Group 2: Transportation Adjustments - A new bus connection line has been established to facilitate transportation during the subway station closures, covering key areas and stations along the Line 1 route [12]. - The bus service will operate with increased capacity during peak hours, with intervals of 3 to 4 minutes on weekdays [12]. - Additional non-motorized vehicle parking spaces have been created, with approximately 3,000 new spots added to accommodate increased demand during the subway closures [14][16]. Group 3: Passenger Guidance - Passengers are advised to plan their travel routes in advance and utilize public transportation options, with specific bus routes suggested for those traveling to Babao Mountain and Gucheng [13]. - Enhanced signage and information updates have been implemented across 32 stations to assist passengers during the transition [5].