I-19 in southern AZ is the only metric interstate in U.S. TUCSON, AZ — Former Scripps News Tucson traffic reporter Allen "Big Al" Kath points out a large sign on a recent drive along Interstate 19. He ...
TUCSON, Ariz. (KGUN) — Former KGUN 9 traffic reporter Allen "Big Al" Kath points out a large sign on a recent drive along Interstate 19. He reads it out loud: "Metric signs in use on I-19." The ...
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Why Doesn’t the United States Use the Metric System?
Have you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically measured in kilograms instead of pounds, distance is measured in kilometers over ...
The United States is one of just three countries that "prefers" imperial measurements over the international metric standard. The motivation why has less to do with official policy than you might ...
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