The oldest locomotive of the Rhaetian Railway in timetabled service, Ge 4/4 I # 602 "Bernina", built in 1947 and once already withdrawn, is pulling the freight train 6138 from Samedan to the Albula tunnel II construction site in Preda, between Bever and Spinas on a grade of 3.0 %. The load is 3 Uac ciment tank cars, for concrete production for the tunnel. This locomotive was exhibited in the Swiss Mueum of Transport, Lucerne (VHS) from march 2012 to november 2015 and is in service again since july 2016 because of higher locomotive demand of the RhB.