The americans understood everything about trains : Put incredible size of trains to carry the maximum of containers and other things ! So COOL ! In Europe (and more specifically in France), we have a lot of trucks on our motorways and little roads, and trains are always late and with maximum 30 or 40 wagons...
Union Pacific is freight railway campany in United States of America. This company's rivals are BNSF railway and Kansas City Southern railway and Santa Fe railway and Norfork Southern railway and CSX transportation and Canadian National railway and Canadian Pacific railway. These companies are not Union Pacific's rivals only, partners too.
Freight trains are not can transportation maniest cargos only, littlest of greenhouse gas too. Rail freight transport is modalshift in United States of America.