Historic, anonymous crashes are saved as Features for research purposes.
These loose definitions are provided for reference. For detailed, specific definitions and data types please see the map.safe7y.com code here.
Subtype
Fatal - Resulted in deathInjuryOnly - Resulted in injury, but not deathPropertyDamageOnly - Did not result in any documented injuryCrashDate - The date and time that the crash occurredTotalFatalities - The number of deaths resulting from the crashThis database provides the most consistent, geo-located data for fatal crashes in the United States and Puerto Rico. Safety in Numbers uses it as a key resource for building it's road safety map. We process this data using the scripts found here.
You can read more about NHTSA on their website here and you can download the data for yourself here.
Lat and Lon data is only available in the SAS version of the data sets.
"FARS is a nationwide census providing NHTSA, Congress and the American public yearly data regarding fatal injuries suffered in motor vehicle traffic crashes."[1]