Infrastructure measuring vehicle "Roger 1000" of the Norwegian railroad infrastructure "Bane Nord" (formerly Jernbaneverket), 162 # 002, built by the Italian company Mermec in Monopoli near Bari/Italy, in Trondheim. The diesel-powered vehicle has a pantograph for measuring the catenary. The SBB has a very similar vehicle, see https://www.railpictures.net/photo/769671/