Unfortunately the mile-level data simply doesn't exist. From the NHTSA: "Reporting entities are not required to submit information regarding the number of vehic

Unfortunately the mile-level data simply doesn't exist. From the NHTSA: "Reporting entities are not required to submit information regarding the number of vehicles they have manufactured, the number of vehicles they are operating, or the distances traveled by those vehicles. Data required to contextualize the incident rates are limited."