I drive around a bit for work. My car has one of those averager things on it. I've just had a look at it and over the last 822 miles I've averaged 38mph. I tend to drive briskly as well. I may as well just drive at 38 mph. It took my wife 30 minutes to drive 1.7 miles from the local school to our house today and no she wasn't on a school run.
I'm in the same boat as Pull What, I know more people that have been killed flying in the UK than in car accidents. In fact I don't know anyone that's been killed in a car accident, unless you stretch the level of association to silly extents.