From the course: Everyday Statistics, with Eddie Davila

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Transcontinental convoy

Transcontinental convoy

- [Narrator] How long does it take to drive from Washington D.C. to San Francisco? If I go to my Maps app, it tells me it'll take about 41 hours of driving time. So if I punish myself and travel 10 hours a day, it takes about four days to drive from D.C. to San Francisco. 100 plus years ago in 1919, the United States military had the same question, how long to drive from D.C. to San Francisco? They didn't know. There were no mapping apps. When there's no data, you need to collect it. So, they organized a transcontinental motor convoy. Well, how long did it take to cross the country? Here are some of the relevant facts and statistics. The convoy consisted of 81 vehicles of all sorts. You see, without a modern infrastructure, the 300 servicemen needed to be ready for everything. The convoy left Washington D.C. on July 7th, 1919. From D.C. to Illinois, most of the Lincoln Highway was paved. But from Illinois to Nevada, nearly all roads were unpaved. Only in California did paved roads…

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