http://www.bbc.co.uk/news/uk-22809291Interesting study, and heard a very interesting counter-argument against what the study suggests (based on regression to the mean, illusionary benefits and selective sampling).
Im going to say sample size makes it insignificant
(its nonsense thou)
What about all those drivers who run over someone 10 miles down the road because they're distracted and tilted about being flashed for doing 33 in a 30 zone?
Tongue in cheek yes, but you have to be careful about the conclusions you draw from statistics.