MODAL BREAKDOWN OF HAZARDOUS MATERIALS INCIDENTS
Hazardous Materials Incidents by Mode (monthly data)
Hazardous Materials Incidents by Mode (monthly data)
Most reported releases of hazardous materials occur on the highways.
| 1,160 |
926 |
| 24.60 |
-20.17 |
| 119 |
70 |
| 35.23 |
-41.18 |
| 89 |
45 |
| 18.67 |
-49.44 |
| 1 |
0 |
| 0.00 |
-100.00 |
NOTE: The current value is compared to the value from the same period in
the previous year to account for seasonality.
Incident reporting requirements were extended to intrastate motor carriers on October 1,
1998, which may partly explain the subsequent increased volume of reports. Beginning in
April 1993, there was sharp improvement in reporting of incidents by small package carriers.
A reported incident is a report of any unintentional release of hazardous material while in
transportation (including loading, unloading, and temporary storage). It excludes pipeline
and bulk shipments by water, which are reported separately.
SOURCE: U. S. Department of Transportation, Research and Special
Program Administration, Office of Hazardous Materials, Planning and Analysis, Hazardous
Materials Information System data obtained through personal communication.
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