Since the Interstate highway system was created from whole cloth, rather than emerging through the years, it shouldn’t come as a surprise that there is a defined logic to the numbering system that ...
Ever wondered how the highway and interstate numbers came to be? What do they even mean if they mean anything at all? Behind those numbered shields displayed on the signs is a mathematical logic grid ...
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Surprising facts about how America’s interstate highway system began
The story of America’s interstates is usually told as a straightforward tale of postwar progress, but the real origins are ...
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