"Proctor46" wrote in message
...
good idea but to late

i think that were you to renumber the rutes now would cause a lot of
problems...had it been done from the early days....1910's..and stuck to
........

I was not making any such suggestion, as my original post makes clear, it
was mere curiosity as to the origins of the system - nothing more than that.

Please do not imply things that are not there - I have no hidden agenda.