[sorahn]

No. The entire point of these is to funnel the traffic onto and off the highway with out crossing any oncoming traffic, and to reduce the total number of traffic crossings overall.

Here’s a YouTube video that does a much better job of highlighting these benefits. https://youtu.be/A0sM6xVAY-A?si=qrk2ZFFYPA2-6rAS

[mattlondon]

Roundabouts don't have any traffic crossings, and sometimes don't even need traffic lights either so no one has to stop/give way