The graph illustrates the number of goods transported by six different mode of transport in USA since 1990 with projections until 2040.Units are measured in million tons.
Overall,the amount of the transported goods increased slightly over the period.At the beginning of the period transporting on roads was the most popular,also at the end of the period. Meanwhile,other ways of transporting goods went up sligtly.The amount of goods by cable were the smallest at the beginning and ending of the period.
With regards to the amount of goods transported on road,it began around 35 millions ton and then increased dramitically to approximately 50 millions ton between 1990 and 2040 years.Likewise,the the quantity of the goods transported on pipelines started at around 15 millions tons and increased slightly to approximately 30 millions tons.The number of transported on water began at 20 millions tons and fluctuated to 25 millions tons between 1990 to 2040 years.
On the other hand,other ways to transport goods started all at around 5 millions tons and stayed constonant without a big changes.
