I saw a good article on c/upliftingnews about AI improving traffic signal controllers. It's good and all, I just can't help but think of the "look at what they need to have a fraction of our power" meme while reading it
this post was submitted on 21 Oct 2023
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Absolutely. After moving from a roundabout-less country to Ireland, I wish every red light was replaced with one. The only drawback is that they're more complicated than red lights and many people don't know how to use them properly (or don't care).
Maybe we shpuld start training drivers more rigorously then.
I don't know where you live, but training and the test in Ireland are quite rigorous already. My son failed his first test because of a roundabout issue where anyone in their right mind would have done exactly the same as he did. But the rules are what they are and the test is strict.
And they take up a lot more space than traffic lights.
The trade off for improved traffic flow is worth it unless space is at a premium, which tends to be the case in high density cities.
Sao Paulo have a lot of them on the middle of some high density neighborhoods, they work great as traffic calm measures because you can't blast though a street because they are a roundabout on each intersection.
True, they do take up more space. Not sure a normal intersection cannot be converted though, there's pretty small roundabouts here too.