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Leif Ourston : ウィキペディア英語版 | Leif Ourston
Leif Ourston was a pioneer proponent of modern roundabouts in the United States, years before any had been built here. He opened his engineering company in 1984, at a time when the American engineering community considered any roundabout a radical and innovative idea, and even the most modest proposals encountered powerful opposition. ==Early career== Ourston was introduced to roundabouts in 1979 by Frank Blackmore, while attending training at the Transport and Road Research Laboratory in Berkshire, England. Afterwards, Ourston worked with Caltrans and local agencies to convince the public and highway staff that roundabouts were not a crackpot idea, not the same as old traffic circles, and are instead a valuable, proven, safe, and effective modern intersection suitable for general use in the United States.
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