Lanzhou Metro
Lanzhou Metro or Lanzhou Rail Transit is a rapid transit system in Lanzhou, Gansu, China. There will be lines in operation at the end of 2022, including Line 1 (25.9 km, in operation) and Line 2 (9.06 km, open in 2022). The first two lines will cost about 23 billion yuan ($3.6 billion). Lines in operation. Line 1. Line 1 started construction on July 9, 2012, the first phase measures with 20 stations. The line is completely underground. Line 1 opened on 23 June 2019. Lines under construction. Line 2. Line 2 was planned to start construction  at the end of 2015. Built in phases, the first phase is with 9 stations. It will run from Yanbei Road to Dongfanghong Square, all within Chengguan District. The line have 2 transfer stations to Line 1, at Wulipu station and Dongfanghong Square station. In December 2017, tunnel boring for the second line commenced. The tunnel will be at depths between and . The line will open in 2022. Under planning. In long-term planning, there will be 5 lines totaling . Due to the urban geography of Lanzhou following a river valley, most of the lines will run east-west parallel  to the Yellow River. There will be lines connecting the main urban center with Lanzhou Zhongchuan Airport, Yuzhong county and Gaolan county. Line 3. Line 3 is entirely in the planning phase. Unlike the first two lines, it will have above-ground sections. A road-rail bridge is planned to carry Line 3 over the Yellow River, continuing its route above ground. Line 4. Line 4 is entirely in the planning phase. Line 5. Line 5 is entirely in the planning phase and is planned to be from Chengguan District to Lanzhou Zhongchuan Airport via Zhonghe town in Gaolan County . Technology. Rolling stock. Line 1 is served by a fleet of 26 "Type A" rolling stock trainsets of 6 cars each, with a capacity of 2460 passengers per trainset. Each set is long, wide and high. The rolling stock is manufactured in Changchun by China's CRRC. The train sets are developed to be able to withstand sand storms, and feature aluminium bodywork with sand resistant paint, sand resistant glass, and the ventilation system is designed to handle large amounts of dust in the air. Production of the first trains started in March 2016. In October 2016, the first two  metro trains were delivered. A few of the trainsets in service on Line 1 carry the colour scheme of Line 2 which is still under construction. Payment system. All stations have ticket barriers which can be entered using China T-union cards, either personally bound, or bought for single journeys from ticketing machines. Since December 2019, passengers can also pay using the Tencent Ride app ().