On 5/17/05, Tony Sidaway <minorityreport(a)bluebottle.com> wrote:
Road signs haven't switched because it would be very difficult and
dangerous as well as politically explosive.
We simply changed to a different design of speed sign. The average
driver had no problem distinguishing between the two.
Perhaps Australians are more perceptive than British or American folk.
--
Peter in Canberra