Re 6/6 # 11666 "Stein am Rhein" and Re 421 # 390 of the SBB in multiple control, called a "Re 10/10", are crossing the 127 meter long and 53 meter high Chärstelenbach bridge on the Gotthard north ramp between Amsteg-Silenen and Gurtnellen, with a southbound HUPAC intermodal train bound for Gallarate.