All the evidence suggests that driving under the influence of alcohol or drugs is the
major contributor to road crashes and to death and injury, far more so
than any other single factor. That's why most countries have zero or
very low tolerance regimes and many use random alcohol testing as well."
basically this evidence does not apply here , if you'll just make a study on this one, most of the accident that happens here are not under the influence of alcohol or any drug. simply just brainless human beings behind wheels which comes to my conclusion of
"Caradog139
said
All the evidence suggests that driving under the influence of alcohol or drugs is the
major contributor to road crashes and to death and injury, far more so
than any other single factor. That's why most countries have zero or
very low tolerance regimes and many use random alcohol testing as well."
basically this evidence does not apply here
, if you'll just make a study on this one, most of the accident that happens here are not under the influence of alcohol or any drug. simply just brainless human beings behind wheels 
which comes to my conclusion of
overspeeding = brainless human behind wheels