Thursday, July 22, 2010

What is the basis for naming highways?

How did the transportation authorities name all the highways (interstates, US highways, state highways, county routes)? What is the basis of the Interstate highway numbering system?

What is the basis for naming highways?
Inter-state highways that run east to west end in an even # or 0, Route 90 route 10 as examples highways that run north to south end in an odd # Route 95 route 5 as examples.


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