21 March 2022
On 20 March, the construction China's first subway Beidou satellite navigation system started. It will be installed along the 30 km Beijing Capital International Airport line and 5 stations. It is expected to be completed by the end of this year.
The subway Beidou positioning system will improve the positioning accuracy of subway stations, which can be used not only for vehicle scheduling, passenger organization and emergency disposal, but also allow commuters to use cell phone maps to access navigation and positioning in subway stations through three-dimensional navigation.
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