1. National Highway Traffic Safety Administration.Traffic Safety Facts 2016.2016.https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812554. Accessed Febraury 20 2020.
2. National Center for Statistics and Analysis2018.Fatal Motor Vehicle Crashes: Overview. Traffic Safety Fact: Research Note.2019.https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812826. Accessed October 10 2021.
3. Center for Disease Control and Prevention.Cost Data and Prevention Policies.Center for Disease Control and Prevention;2020.
4. National Center for Statistics and Analysis.Preview of Motor Vehicle Traffic Fatalities in 2019. Traffic Safety Fact: Research Note.2020.https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/813021. Accessed on October 11 2021.
5. National Safety Council.Preliminary Semiannual Estimates.National Security Council.2021.