On ausgust 10, a northbound freight train derailed in the Gotthard Base Tunnel (GBT) and since then, both bores are closed. All passenger trains and some freights, which are able to go through the lower claerance, are rerouted over the "old" mountain line, now called panorama line. Mail train 50021 from Härkingen sort center to Cadenazzo, pulled by Re 420 # 336 (Re 4/4 II 11336) just left the 1547 meter long Travi loop tunnel in the Biaschina "staircase" and is crossing the 60 meter long upper Ticino bridge.