weepej wrote:
Steve wrote:
weepej wrote:
The faster people go the more risk there is of crashes.
Clearly motorways are the fastest roads. They're also the safest.
Does this not show that other factors besides 'speed' are at play, and that these other factors are dominant?
It's you with the logical fallacy; implicitly asserting that motorways are our safest roads because they are our fastest.
Are you being serious? How on earth did you deduce that logical step. Go back and reread the posts weepej!

What of the question I posed to you?
weepej wrote:
As a thought experiment imagine the speed limit on motorways was 30 mph and everybody adhered to this; they would be safer still.
Would they?
Looks like I will have to repeat myself:
"
Fatigue is the obvious confounding issue (stimulation and journey time)". Would that issue not be far, far, far worse than it already is?
Couple that with risk homeostasis.
Then there is the increased tendency for other road user groups would be more inclined to use them, so increasing risk.
Of course, no sane driver would abide by such a foolish blanket limit, so practically everyone would ignore them, lulling the other road users into a false sense of security.
Like I said yo you
many times previously: "
which effect wins?"
But it's so much more than that. Had the motorways suffered such a drastic change, folks would be displaced to "less safe roads" (no weepej, they're 'not less safe because they are slower'), so making the overall effect over the whole road network worse.
weepej wrote:
Steve wrote:
Are we better off making roads safer, or slower?
The answer is obvious, but I have that funny feeling it won't be to someone.....
Well, I think it's a better idea to make our drivers safer.
Indeed, but what of the roads? That was the question (independent of drivers).
weepej wrote:
Steve wrote:
Per unit distance driven, are those who go faster represented more in crashes than those who go slower? You will have to prove this for your claim to stick.
Similarly I could ask you for proof that faster drivers are represented in less crashes than those that go slower.
Why would you do that when it was you who made the claim we are discussing:
weepej previously wrote:
The faster people go the more risk there is of crashes. People exceeding the speed limit are participating in the increased rate,
This is your claim, I have asked you to support it with a reasonable measure.
"
Per unit distance driven, are those who go faster represented more in crashes than those who go slower? "