The article discusses the basic principles and conditions for the use of the latest underground navigation system. An example is given of the second new Yunusabad line of the Tashkent Subway using the shield method. For the first time in the Republic of Uzbekistan, in the construction of the Tashkent metro stations by underground, the Tunneling Mechanized Complex (TMC) was used - a movable prefabricated metal structure manufactured in Germany by the company HERRENKNECHT, which is the leading company in the world and produces machines for the construction of tunnels of any diameter in the range from 0.10 to 19 m in any engineering-geological conditions. The disadvantages and advantages of the underground navigation system are indicated; conclusions are drawn about the prospects for its application. The patterns of development of technical aspects of the automation of surveying concerning general historical trends are examined.
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