开通+2，推进建设+9，2026年北京轨道交通建设计划发布

Core Insights - Beijing is set to advance the construction of 9 urban rail transit lines totaling 150.6 kilometers and 2 suburban railway lines spanning 90.5 kilometers this year, with the 22nd line (Hongmiao-Pinggu) and the suburban railway city sub-center line ready for initial operations [1][2][5] Group 1: New Lines and Construction Progress - The 22nd line will be the first inter-provincial urban rail transit line between Beijing and Hebei, covering approximately 79.1 kilometers, with 20 stations planned [2][5] - The suburban railway city sub-center line will enhance commuting efficiency between Beijing and its southwestern districts, significantly improving connectivity [5][7] - By the end of this year, 14 stations on the Beijing section of the 22nd line have completed structural work, with 7 sections achieving double-line connectivity [9][10] Group 2: Infrastructure and Technological Innovations - The Pingfang parking lot project, crucial for the efficient operation of the 22nd line, will accommodate 24 trains simultaneously and is nearing completion [7][8] - The 22nd line incorporates innovative technologies, such as the use of U-shaped beams and "hundred-meter rails," which enhance safety, reduce noise, and promote green construction practices [12][13]