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Table 1c. Hazardous Material Shipment Characteristics by Mode of
Transportation: Percent of Total for 2002 and 1997
[Estimates are based on data from the 2002 and 1997 Commodity
Flow Surveys. Because of rounding, estimates may not be additive]
Excel | CSV
| All modes |
100.0 |
100.0 |
100.0 |
100.0 |
100.0 |
100.0 |
| Single modes |
97.6 |
96.9 |
98.5 |
98.2 |
95.5 |
92.9 |
| Truck 1 |
63.6 |
61.7 |
52.9 |
53.8 |
33.7 |
27.9 |
| For-hire
truck |
28.8 |
27.4 |
20.5 |
20.7 |
19.9 |
16.7 |
| Private truck |
34.3 |
33.6 |
32.0 |
32.4 |
13.5 |
10.8 |
| Rail |
4.7 |
6.6 |
5.0 |
5.7 |
22.1 |
26.7 |
| Water |
7.1 |
6.3 |
10.4 |
9.4 |
21.6 |
21.4 |
| Air (includes truck and
air) |
0.2 |
1.6 |
– |
– |
– |
– |
| Pipeline 2 |
22.0 |
20.6 |
30.2 |
29.3 |
S |
S |
| Multiple modes |
1.5 |
1.4 |
0.9 |
0.7 |
3.8 |
S |
| Parcel, U.S.P.S. or
courier |
0.6 |
0.6 |
– |
– |
– |
– |
| Other multiple modes |
0.8 |
0.8 |
0.8 |
0.7 |
3.8 |
S |
| Other and unknown modes |
0.9 |
1.7 |
0.6 |
1.1 |
0.7 |
0.6 |
KEY:
– Represents and estimate equal to zero or less than
1 unit of measure.
S Estimate does not meet publication standards because of highly sampling
variability or poor response quality.
1 "Truck" as a single mode includes shipments that were made by
only private truck, only for-hire truck, or a combination of private and
for-hire truck.
2 Estimates for pipeline exclude shipments of crude petroleum.
SOURCE:
Bureau of Transportation Statistics (USDOT) and U.S.
Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.
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