Speed limits set only five miles per hour below engineering recommendations produce a statistically significant decrease in total, fatal and injury crashes, and property-damage-only crashes, according to a group of researchers.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181212135021.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181212135021.htm
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