1- Identify the largest product groups that move primarily by Rail.
2- Describe how low value goods such as grain would travel domestically over land (first few miles, primary movement, last few miles of trip).
3- Report on the profitability of transportation companies across the different modes. Is the transportation sector highly profitable?
4- What is the size of the US annual transportation bill? How much of this bill is accounted for by the motor carrier industry?
5- How much domestic freight travels by rail when measured by ton-miles?