The construction of the railway was to be finished in April 1924. However, due to the problems with the constructors, which had to be changed, the first train to Vardište passed through on 25 January 1925. Additional number of bridges, tunnels and supporting walls than originally planned had to be built. At the portal of the Vardište tunnel, which was to be a border one before the war, there is a sculpture of Serbian soldier crushing the crown of the Austria-Hungary with his foot. In total, there are 22 tunnels and five larger bridges on the route. The railroad left Užice at the elevation of , peaking at the Šargan tunnel at . The entire area is abundant in water, which gave name to the village Mokra Gora ("Wet Mountain"). There are 365 known water springs along the route. The water is literally dripping down the tunnel walls.
