Most speed laws are based on some semblance of science. Granted there is often that extra percentage, but it doesn't kill anyone to slow down a little.
Re:Cuban responds to the SEC Insider Trading complaint
by tc on Monday November 17, 2008 @06:39PM
(#367539)
From the Wikipedia page:
"a review of available speed studies demonstrates that the posted speed limit is almost always set well below the 85th-percentile speed by as much as 8 to 12 mph"
Most speed laws are based on some semblance of science. Granted there is often that extra percentage, but it doesn't kill anyone to slow down a little.