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]