Ge 4/4 I # 603 "Badus" of the Rhaetian Railway, built in 1947 and now 77 years in service, is the oldest operational locomotive of the RhB in regular service, not declared historic vehicle. The locomotive pulls the nostalgia train "Zügenschlucht" (Zügen gorge) 7822 of the line R11 from Filisur to Davos Platz, between Filisur and Davos Wiesen. This train circulate two times a day in summertime with vintage rolling stock. Fourth car is the yellow open observation car B # 2111, highlight for most passengers.
