I’m sorry, but that’s not a roundabout, that’s a traffic circle. With a roundabout, the entering lanes come into and out of the circle at an angle of about 20-25 degrees.

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With traffic circles, the roads come in and out straight in.

You are right, that’s a bad design. It looks like it was designed by the director of public works who had been promoted to engineer based on his years on the job.