Data from the Association of American Railroads shows that railroads achieved a good safety record last year, with 99.9977% of hazardous-materials shipments reaching their destination safely, writes columnist Don Brunell. "As technology and oversight have improved, the railroads have amassed a good safety record, even as rail traffic has increased," Brunell noted. "To enhance safety, railroads have invested heavily in technologies that provide advance notice of potential problems."

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