Grain train is going back beyond the switch to change the track and go away on the right track, this is the left side track.

Grain train with ALCo in head and a EMD helping from Cordoba to Rosario is pasing near Roldan station

The locomotive throws sand in via non skate and so to pull

The train is awaiting AUV to continue to Rosario, near Arroyo Seco station.