北京新开3条（段）地铁线，城市轨道交通运营总里程超900公里

Core Viewpoint - The opening of three new subway lines in Beijing enhances the city's public transportation network, improving connectivity and commuting efficiency for residents in various districts [1][2][3]. Group 1: New Subway Lines - The new lines include the middle section of Line 17 (8.2 km), Line 18 (19.8 km), and the southern extension of Line 6 (2.0 km), adding approximately 30 kilometers to the subway network [1][3]. - Line 17 connects major residential and business areas, reducing travel time from the southern end to the northern end to 66 minutes, effectively alleviating traffic pressure on existing lines [2][3]. - Line 18 serves as a crucial east-west corridor in northern Beijing, linking key areas and easing traffic congestion in the "Huitian" region [3]. Group 2: Operational Details - The operational hours for the new lines are set, with first and last trains scheduled for various stations, ensuring accessibility for commuters [4]. - The integration of bus services with the new subway lines has been optimized, with adjustments made to existing routes and the introduction of new ones to facilitate seamless transfers [5][6]. Group 3: Infrastructure and Facilities - Parking facilities have been developed around the new stations, including motor vehicle and non-motor vehicle parking spaces, to support commuter needs [7]. - The new lines feature enhanced passenger amenities, such as mother-baby rooms, accessible restrooms, and real-time information displays, improving the overall travel experience [8].