Core Viewpoint - The Beijing Infrastructure Investment Company has announced the second public disclosure of the environmental impact assessment for the connection line project between the Yizhuang Line and Lines 5 and 10, which is set to start construction by the end of this year and be completed by June 2028 [1][4]. Group 1: Project Overview - The project aims to enhance the connectivity between the Yizhuang area and Beijing's central urban area, addressing significant passenger flow during peak hours, particularly at the Songjiazhuang station [2][6]. - The total length of the new connection line is approximately 2.7 kilometers, with about 2.2 kilometers being newly constructed and 0.5 kilometers utilizing existing lines, all of which will be underground [2][4]. Group 2: Construction Details - The construction will not involve new or expanded stations but will reserve space for a future station at Guojiazhuang Road, located between the Chengshousi Station of Line 10 and the Xiaocun Station of the Yizhuang Line [4][5]. - The project will be executed in two phases, with the first phase focusing on the connection between the Yizhuang Line and Line 5, and the second phase aiming for the connection with Line 10 [6]. Group 3: Future Implications - Once completed, the project will facilitate cross-line operations between the Yizhuang Line, Line 5, and Line 10, significantly improving commuting options for residents in the Yizhuang area [6].

Core Points - The Beijing Infrastructure Investment Company has announced the environmental impact assessment for the connection line project between the Yizhuang Line and Lines 5 and 10, which is approximately 2.7 kilometers long and aims to improve transportation connectivity between Yizhuang and the central urban area [1][2] - The Yizhuang Line currently experiences significant passenger flow, with nearly 200,000 daily riders, leading to congestion at transfer points, particularly at Songjiazhuang Station [1][2] - The project aims to facilitate direct operation between the Yizhuang Line and Line 5, as well as optimize transfers with Line 10, enhancing the commuting experience for passengers [2][3] Project Details - The connection line will run from the existing Xiaocun Station to Songjiazhuang Station, utilizing both new underground sections and existing lines to achieve operational connectivity [2] - The project is part of a broader plan to improve urban rail transit, with previous documents indicating a future goal of full operational integration among the Yizhuang Line, Line 5, and Line 10 [2] - Future steps will include line optimization and equipment upgrades to enable seamless operation between the Yizhuang Line and Line 10 [2][3]