Buenos Aires al Pacifico's ALCo. export-model RSD16 #8507 pulls empty freight cars along Transportes Metropolitanos Roca S.A.'s four-track mainline after having left Kilo. 5 Yard through its southernmost access at Kilo. 7 Tower. Train, which includes ballast hoppers and tank cars (both open and disguised under box-car enclosures) of wine for export markets, is moving south before making a westbound turn at Temperley to finish his ride at Haedo Yard.