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The construction of the tram tunnel to Warszawa Zachodnia is underway. At the Zesłańców Syberyjskich roundabout, where the access ramp to the tram tunnel is being built, almost the entire scope of the planned diaphragm walls has already been built. Diaphragm walls have been built in the Five Sisters Park. The tunnel is being built using the sub-ceiling method ("from top to bottom"). After the walls and the upper ceiling are completed, work will be carried out underground (extraction of the spoil from the tunnel and construction of the bottom slab). Work is also underway on the construction of the underground tram stop, which is being built between Aleje Jerozolimskie and the railway tracks. The intermediate ceiling between levels -1 and -2 is ready. The construction of the upper ceiling is nearing completion.