How is Xi's subway network planned?

According to the urban rapid rail transit construction plan of Xi approved by the State Council, six subway lines have been built in Xi, with a total length of 25 1 .8km. * * * with 16 interchange station and 150 station (excluding the east and west extension of1line),/kloc-0. Xi 'an urban rapid rail transit network planning map 1. 1 Line (Defending Village-Textile City): The line is located in the east-west main passenger corridor of Xi 'an. The starting point and ending point of the line are Youwei Village and Textile City respectively, which are Xi's external transportation hubs. The line runs through the east and west of Xi urban area, passing through the most prosperous and densely populated area in the urban area. At the same time, along the east-west axis of the main city, the line connects large passenger distribution points and long-distance passenger hubs such as Chengxi Passenger Station, xi City Traffic Station, Kangfu Road Wholesale Market, Changle Road Passenger Station and Banpo Passenger Station. Line 1 extends westward to Xianyang Forest Park, creating favorable conditions for the integration of West and Xian. Extending eastward to Lintong tourist resort can greatly promote the development of Xi 'an tourism industry and the development and utilization of land along the line, and further strengthen Xi 'an's status as an international tourist city. This line is the backbone of the rail transit network. 2.2 Line (North Railway Station-Qu Wei): This line is located in the North-South Main Passenger Corridor of Xi 'an, connecting Zhengzhou to Xi 'an High-speed Railway Xi 'an North Station, Zhangjiabao Square, downtown North Street, Bell Tower, Nanjiao Provincial Stadium, Xiaozhai Commercial and Cultural Center, Xi 'an International Convention and Exhibition Center, Chang 'an District and other large passenger distribution points, and there are long-distance passenger hubs such as Zhangjiabao Passenger Station, Chengbei Passenger Station and Mingdemen Passenger Station along the way. Line 2 and line 1 form a cross skeleton in the rail transit network and are the backbone lines in the network. Line 3.3 (Hsinchu-Dongpo Village): This line runs northeast and southwest. The line is laid along the East Second Ring Road of the city's main passenger corridor, adjacent to xi 'an Chanba New District and Xingqing Park, passing through the passenger flow and densely populated areas such as Big Wild Goose Pagoda, Shaanxi Provincial History Museum, Xiaozhai Commercial and Cultural Center, Xi 'an High-tech Industrial Development Zone and Chang 'an Science and Technology Industrial Park, so as to promote the expansion of urban development space to the northeast and southwest. Line 3, 1 and Line 2 together form the backbone of the planning network. Line 4.4 (Caotan Farm-Qu Wei Aerospace Science and Technology Industrial Park): The line connects Caotan Modern Agricultural Development Zone, Zhangjiabao Square, Qujiang Tourism Resort and Qu Wei Aerospace Science and Technology Industrial Park, and passes through Xi Railway Station, Wulukou within the Ming City Wall, Dachacheng, Wild Goose Pagoda and other crowded areas. Line 4 plays an auxiliary and supplementary role in the transformation of urban north-south passenger flow, and is an auxiliary line in the planning network. Line 5.5 (Textile City Railway Station-Liucunbao (Jiyang)): The Textile City Railway Station at the eastern end of the line is an auxiliary passenger station of both Xikang Railway Station and An Railway Hub. The main line at the west end is connected to Liucunbao Industrial Park, and the branch line is connected to Jiyang Group, passing through Qujiang Tourism Resort, Xi 'an International Convention and Exhibition Center and the Third Bridge Transportation Hub, which will divert the east-west passenger flow in the urban area as an auxiliary line in the planning network. Line 6.6 (Textile City-Chang 'an Science and Technology Industrial Park): The line connects industrial and commercial gathering areas and densely populated areas such as Textile City in the eastern suburbs, East and West Streets and Bell Tower in the Ming City Wall, University Town in the southern suburbs, Xi 'an High-tech Industrial Development Zone and Chang 'an Science and Technology Industrial Park. It can help 1 line to divert the passenger flow in the main city and relieve the traffic pressure in the core area of the main city. At the same time, it can promote the social and economic development and industrial structure adjustment of the textile city in the eastern suburbs, and the comprehensive development and utilization of the land in the university city in the southern suburbs and expand the urban development space are an auxiliary line in the planning network.