I think the TMAC in its entirety has no clues.
The roundabout works like this – once you enter, you yield to oncoming traffic and you can only go right. TAMC officials said the one way turns make it safer than drivers trying to turn left against oncoming traffic.
First if you see oncoming traffic in the roundabout you are going the wrong way. Second you yield to traffic that is in the roundabout when you are entering the loopy thing.
Here’s a video clip of what possibly could be a TAMC official in a Marina roundabout