If you want to add a roundabout, you firstly draw the roads as a normal crossroad, but don't connect the roads/segments. Secondly you draw the roundabout and WME will connect the crossing roads automatically.
If you want to add a roundabout, you firstly draw the roads as a normal crossroad, but don't connect the roads/segments. Secondly you draw the roundabout and WME will connect the crossing roads automatically.