Holiday Road Toll
January 2, 2012 – 10:02 pmEvery long weekend we hear how many people died, as though it means something, but there's never any analysis beyond whether it's more or less than last year's number. It doesn't help me know what's going on: are we better drivers or worse? What's the point of measuring if you don't analyse? After all, I just kissed goodbye to my wife as she set out for a 100km trip to Auckland to see a friend. Should I have encouraged her to stay at home? Comparison to last year's number is largely useless without knowing what the variation is. Is a 50% increase within the bounds of normal, or does it represent a nation of speeding drunks, blearily passing out behind the wheel and mowing over toddlers as we tow our boats back from the bach? If you want to make sense of the holiday road toll (as I write, we've had 17 ...