NHTSA reported that _____% of all fatal crashes occur in a speed zone of 55MPH or more.

The National Highway Traffic Safety Administration (NHTSA) has provided data indicating that a significant proportion of fatal crashes occur in higher speed zones. Specifically, when citing statistics for fatal crashes, it has been found that a considerable 65% of these incidents happen in speed zones of 55 MPH or more.

This statistic highlights the relationship between speed and the severity of crashes. In higher speed zones, the risk of fatality tends to increase due to the greater forces involved in collisions. Such evidence is critical for traffic safety initiatives aimed at reducing speed-related fatalities, making sure drivers understand the risks associated with high-speed driving.

In the context of the other percentages, while 40%, 50%, and 70% point towards a significant number of crashes happening at elevated speeds, none accurately reflects the NHTSA's specific reported data regarding the 55 MPH or more criterion. Thus, understanding this statistic can help reinforce the importance of speed regulations and the ongoing efforts to improve road safety in areas where faster speeds are permitted.