Core Viewpoint - The Beijing suburban railway urban sub-center line enhancement project has successfully completed the casting of the beam for the major bridge over the Jingguang Railway, facilitating efficient construction for future phases [1] Group 1: Project Details - The enhancement project includes the addition of two new stations: Fangshan East and Yamenkou East, and the renovation of three existing stations: Liangxiang, Houlv Village, and Beijing West [1] - A new double track of 4.5 kilometers from Liangxiang to Fangshan East will be added, improving the transport capacity of the suburban railway urban sub-center line amid saturated capacity on the Jingguang main line [1] Group 2: Travel Efficiency - The suburban railway urban sub-center line offers wider and more comfortable carriages compared to subway trains, with travel times of approximately 25 minutes to Beijing West Station, 40 minutes to Beijing Station, and 60 minutes to Tongzhou Station from Liangxiang Station [1] Group 3: Metro Integration - The Fangshan area has been accelerating its metro integration efforts, with the opening of the northern extension of the Fangshan Line on December 30, 2020, and the cross-line operation with Line 9 starting on January 18, 2023 [1] - The Fangshan District is focusing on optimizing the connection of 19 metro stations, with significant improvements in parking order and the addition of 2,100 non-motorized vehicle parking spaces at Liangxiang University Town West Station [1]