Bureau of Transportation Statistics (BTS)
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Figure 1
Hazardous Materials Shipments by Mode of Transportation: 1997

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Value
Figure 1 - Hazardous Materials Shipments by Value: 1997. If you are a user with a disability and cannot view this image, please call 800-853-1351 or email answers@bts.gov for further assistance. Includes air, parcel, postal, courier, other, and unknown. Excludes most shipments of crude oil.

Tons
Figure 1 - Hazardous Materials Shipments by Ton: 1997. If you are a user with a disability and cannot view this image, please call 800-853-1351 or email answers@bts.gov for further assistance. Includes air, parcel, postal, courier, other, and unknown. Excludes most shipments of crude oil.

Ton-miles3
Figure 1 - Hazardous Materials Shipments by Ton-miles: 1997. If you are a user with a disability and cannot view this image, please call 800-853-1351 or email answers@bts.gov for further assistance.  Includes air, parcel, postal, courier, other, and unknown.

1 Includes air, parcel, postal, courier, other, and unknown.
2 Excludes most shipments of crude oil.
3 Pipeline data are not published because of high sampling variability or other reasons.

NOTE: Percentages may not add to 100 due to rounding

SOURCE: U.S. Department of Commerce, Census Bureau, 1997 Economic Census—1997 Commodity Flow Survey, Hazardous Materials (Washington, DC: December 1999), table 1.



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