Ken M wrote:
.
Metrically challenged? Well thats most Americans.


And not getting much better. The main highway between Tucson and
Nogales, Mexico is I-19 and for many years all of the mileage signs
were in km. That is now being changed back to miles. Of course it they
posted the speed limit in km we'd have every pick up in southern AZ
tipping over as they take a curve at 120 mph.