| Subsector of transportation | 1996 Transportation Satellite Accounts (adjusted) |
|---|---|
| Rail | 17.3% |
| Passenger | 0.8% |
| Freight | 16.5% |
| Truck | 42.2% |
| Water | 4.7% |
| Air | 24.7% |
| Passenger | 21.3% |
| Freight | 3.4% |
| Pipeline | 9.7% |
| Transit | 1.4% |
| Total | 100.0% |
Source: Adapted from Fang et al. (2000).