3条（段）新建地铁进入“跑图”阶段

Core Points - Beijing's subway line 18 officially began trial operations on October 25, marking the completion of the "running map" phase for three new subway lines planned for this year [1] - The total length of the three new subway lines is approximately 30.1 kilometers, contributing to a total operational subway mileage in Beijing exceeding 900 kilometers [1] Summary by Sections Line 18 - Line 18, running from Malianwa to Tiantongyuan East, is a key east-west line in northern Beijing, spanning approximately 19.8 kilometers with 11 stations, including 4 transfer stations [1] - This line is expected to support the development of the northern region of Beijing [1] Line 6 South Extension - The south extension of Line 6 is about 2.1 kilometers long, starting from Lucheng Station and extending to Luyang Station, playing a crucial role in the urban sub-center's transit network [1] Line 17 - Line 17 serves as a major north-south transit line, connecting residential areas such as Tiantongyuan, Wangjing West, and others [1] - The middle section of Line 17, approximately 8.2 kilometers long with 4 stations, will complete the line's connectivity, following the opening of its southern and northern segments in 2021 and 2023, respectively [1]