metal / individual network / Federal law / sport utilities / mineral products / road network / refined petroleum products / milled grain products / railroad-car floats / transportation network / agricultural products / chemical products / rubber / Road infrastructure / electrical equipment / transportation equipment / Internet site http /
NaturalFeature
Great Lakes / /
Organization
American Gas Association / office of Planning / Maritime Administration / Bureau of the Census / Gas Facts / United States Army / Transportation / U.S. Department of Commerce / Federal Highway Administration / Transportation in America / office of Pipeline Safety / Eno Transportation Foundation / office of Freight Management and Operations / U.S. Department of Transportation / Corps of Engineers / NHS / Pipeline and Hazardous Materials Safety Administration / Environmental Protection Agency / Insurance Institute for Highway Safety / Association of American Railroads / /
Person
Virginia Washington West Virginia Wisconsin Wyoming / MILES PER HOUR / MILES BY / Montana Nebraska Nevada / /
III. THE FREIGHT TRANSPORTATION SYSTEM Freight is carried via an extensive network of roads, railroad, waterways, and pipelines. Road infrastructure increased slowly over the past two decades despite a large increase in