 During the Games there were two additional S-Bahn lines servicing the now-defunct station Olympiastadion (Olympic Stadium).The new S-Bahn system stood the test and transported 3.18 million passengers in 7,138 runs to and from the sports sites in only 17 days.Due to the overloading of the Stammstrecke, Trunk line 2 is under construction and due to open in 2026.