It's definitely harder to count the time spent speeding when that speeding doesn't end in a crash, but the NHTSA still tries to do it [0]. About 19% of vehicle

It's definitely harder to count the time spent speeding when that speeding doesn't end in a crash, but the NHTSA still tries to do it [0]. About 19% of vehicle miles are driven at more than 10 mph above the speed limit on highways, somewhat fewer on city streets. [0] https://www.nhtsa.gov/sites/nhtsa.gov/files/documents/812485_national-traffic-speeds-survey-iii-2015.pdf https://www.nhtsa.gov/sites/nhtsa.gov/files/documents/812485...