Table 3-5 Hazardous Materials Shipment Characteristics by Mode of Transportation for the United States: 1997
Table 3-5
Hazardous Materials Shipment Characteristics by Mode
of Transportation for the United States: 1997
| Mode of transportation | Ton-miles | |
|---|---|---|
| Number | Percent | |
| All modes | 263,809 | 100.0 |
| Single modes | 258,912 | 98.1 |
| Truck | 74,939 | 28.4 |
| Truck: For-hire truck | 45,234 | 17.1 |
| Truck: Private truck | 28,847 | 10.9 |
| Rail | 74,711 | 28.3 |
| Water | 68,212 | 25.9 |
| Air (including truck and air) | 95 | 0.04 |
| Pipeline | n/a | - |
| Multiple modes | 3,061 | 1.2 |
| Parcel, U.S. Postal Service or | 78 | - |
| Other multiple modes | 2,982 | 1.1 |
| Other and unknown modes | 1,837 | 0.7 |
Source: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information (Washington, DC: Various years).