1.2 Freight Movement Statistics
- Mobility refers to the ease that a passenger or a freight unit can move across a transportation system. High mobility requires limited efforts, while low mobility is related to complexity and high costs.
- For freight,mobility is cargo-dependent, with some commodities having limited storage requirements but heavy to carry.
Weight of shipments by transportation mode
Figure 1.1: Weight of shipments by transportation mode
Value of shipments by transportation mode
Figure 1.2: Value of shipments by transportation mode