DOT Security for Shipment of Hazardous Materials 
...ording to the US Department of
Transportation (
DOT), over 800,000 shipments of hazardous materials are transported in the
United States every day. The materials shipped include those of chemical, petroleum, radioactive, explosive, and poisonous natures. Of the 800,000 shipments, almost 769,000 are transported by truck on the nation's roads, with the rest divided among rail, pipeline, water, and
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