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Traffic engineering was not developed in London, New York or Paris, but rather in ancient Rome. The Romans, of course, were noted road builders. The Appian Way, for example, stretched 350 miles from the Eternal City to Brundisium. In Rome itself there were actually stop signs and even alternate-side-of-the-street parking. Until the 19th century, solid blocks of tea were used as money in Siberia.
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