In March 2020, Zhengzhou Metro Phase I 12 line started construction; On April 8th, the first phase of Zhengzhou Metro 12 Line was fully publicized. On June 25th, 2022, Zhengzhou Metro Phase I 12 Line completed the capping of all station structures; 65438+On September 5th, the first phase of Zhengzhou Metro 12 Line was opened.
On February 23rd, 2023, the first train of Zhengzhou Metro 12 Line was delivered to Hexi Depot. In March, the first phase of Zhengzhou Metro 12 Line conducted a safety assessment before the initial operation; On April 6th, the first phase of Zhengzhou Metro 12 Line was completed. As of August 30th, the first phase of Zhengzhou Metro 12 Line has completed the tunnel connection, rail connection and electricity connection, and the installation and decoration of wind, water and electricity are in progress.
In June+10, 5438, the first phase of Zhengzhou Metro 12 Line was in the no-load trial operation stage, the operating fare was approved, and the ventilation and air conditioning cleaning and public health evaluation projects were started. On February 4th, 65438, the first phase of Zhengzhou Metro 12 Line passed the completion acceptance and was opened on February 6th, 2023.
Brief introduction of vehicle equipment for Zhengzhou Metro 12 line
The first phase project of Zhengzhou Metro 12 Line adopts 6-section grouped B-type trains, which are produced by Zhengzhou CRRC Sifang Rail Vehicle Co., Ltd., and the initial configuration is 15 trains /90 vehicles; The train is painted in blue and white waves, and adopts GoA4 driverless technology. The maximum running speed is100 km/h. ..
According to the internationally accepted standards, the automation degree of rail transit is divided into five grades: GOA0 to goa4 * * *. Among them, the highest level of GOA4 automation mode can realize the unattended automatic operation of trains in the whole process and all working conditions, which represents the highest technical level of the development of rail transit industry. Compared with the traditional subway driving mode, fully automatic subway has many advantages.