Pantograph test run of 4 "Flirt3" from StadlerRail for the Südostbahn (SOB) through the 57 kilometer long Gotthard Base Tunnel from Claro to Flüelen, at Rynächt. RABe 526 # 001, # 002, # 004 and # 003 in multiple traction circulated with up to 176 km/h (109 mph), 10 % above the regular maximum velocity of this trains. The SOB ordered 5 of this Flirt3, to reinforce the 8-car TRAVERSO in peak hours. In the background left the impressive 3073 meter high Bristen mountain.
