> > The numbering system has meaning, too. Even numbered interstate > > highways run east and west, odd numbers run north and south. > And > > it matters if they have one digit, two digits, or three; each digit > usually > > means something specific. I don't know any online resources. > > http://www.straightdope.com/classics/a3_130.html > > Cheers, > > Paul > Bingo! From now on, I call you *Mister* Cowan. joel