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2. Federal Motor Carrier Safety Administration (2022, May 24). Large Truck and Bus Crash Facts 2019, Available online: https://www.fmcsa.dot.gov/safety/data-and-statistics/large-truck-and-bus-crash-facts-2019.
3. Pipeline and Hazardous Materials Safety Administration (2022, May 24). Office of Hazardous Material Safety, Available online: https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%2Fshared%2FPublic%20Website%20Pages%2F_portal%2F10%20Year%20Incident%20Summary%20Reports.
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