[hanamizu]

Traffic circles or roundabouts are far safer and more efficient in terms of average flow

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My town has installed several roundabouts in the last few years. It took several tries before they figured out how to do it, but they now are working pretty well. T-bone crashes are pretty hard to pull off in a roundabout. You have to slow down to enter it, and outside traffic has to yield to traffic in the roundabout. So fender benders might happen but high-speed crashes (unless the driver is blind drunk) are unlikely.

[cuban leaf]

There is a youtube crash compilation where I guy flies over a slightly blind hill and runs through a roundabout at about 80 mph. Destroys his car on all the curbs he hits. The car is a Nissan GTR.

HA! I found it. THis is how NOT to approach a traffic circle:

https://www.youtube.com/watch?v=sNOJ0R6C88Q

[Regulator]

“You have to slow down to enter it, and outside traffic has to yield to traffic in the roundabout”

Those are the key points. It takes a bit for everyone to become familiar with the entry / exit rules, but once they do, traffic flows pretty smoothly. With less stress...no lights