Roundabout no longer exists.
This area now has traffic lights and you cannot turn right from tambourine bay road to burns bay road.
https://inthecove.com.au/2021/06/21/burns-bay-road-lane-cove-roundabout-removal-and-traffic-light-installations-no-right-hand-turn-restrictions/

https://www.lanecove.nsw.gov.au/News/Pages/TrafficSignalUpdate.aspx