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by echelon
754 days ago
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You don't have to predict other drivers on a diverging diamond. What you can't see from the aerial view is that the road-level indicators, slope, and guard rails enforce the diverging part. They're quite simple. Roundabouts feel adversarial. I don't like them. |
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Meanwhile, I've seen roundabouts that are just a circle painted in the middle of the crossing, and that's it: everybody knows how to use it. See for example the main image of the linked article below.
USA people is so against roundabouts it hurts. According to Wikipedia, there are 160 diverging diamonds in the world, 150 of them in the USA. France built two in the 1970's, and it was so good that today they have... two. Meanwhile there are at least 300 roundabouts per million of habitants in Europe (France has 1,000 per million). Heck, even the US has at least 5,000 roundabouts. Some people call them "ugly", but even they say:
"Mélanie Cathelin, who runs a toy store on one of Abbeville’s main shopping streets, said she now finds traffic lights in other cities jarring, whether in neighboring Amiens or on a recent vacation in Florida."
"To cut down on the noise, traffic jams and fender benders occurring at one intersection, Mr. Dumont decided in 2010 to turn the troublesome spot into a roundabout. It solved the problems. Ten more traffic circles followed. In October, the city’s only remaining traffic light was sawed down."
So much for an adversarial structure...
src: https://www.nytimes.com/2019/12/25/world/europe/france-round...