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 ...

EYEWITNESS NEWS (WBRE/WYOU)— While the naming convention for the U.S. Interstate System may seem a little random, there’s actually logic behind most interstate names. The idea of the Dwight D.

At first glance, the U.S. Interstate Highway system might seem like a logical grid-based masterpiece with a semblance of order behind its numbering system. Odd-numbered interstates run from north to ...