https://duckduckgo.com/?q=85th+percentile+speed
Setting the limit at the 85th percentile and having most drivers drive at it creates uniformity of speed, which is known to increase safety.
https://duckduckgo.com/?q=85th+percentile+speed
Setting the limit at the 85th percentile and having most drivers drive at it creates uniformity of speed, which is known to increase safety.