Klitschko stated that engineers have completed constructing a new 27-meter section of the tunnel. In addition, adjacent sections on both sides, totaling over 50 meters in length, have been reinforced. The internal construction and assembly work in the tunnel are also complete. The mayor said the next phase involves launching a test train, planned to run in the coming nights. Klitschko reported that the first test train will include a special car to inspect the new tracks. Furthermore, the train will begin testing safety systems at various speeds. After this, specialists will conduct a detailed…