7.7 Railroad Network
1.The United States freight rail network runs on almost 140,000 route miles. It is generally considered the largest, safest and most cost-effective means of transporting freight.
2.Unlike roadways, these freight railroads are owned and operated by private organizations such as CSX, BNSF and many others.
3.This railroad network is a series of different railroad classes that all work together to create a smooth shipment process.