Huuuuuuuge report from Merchiston CC on the dangers of the roundabout at Polwarth, with their proposals for what should be done.
TL; DR - make it a T-junction, narrow the road, widen the pavements.
Some good stuff here.
https://merchistoncc.org.uk/projects/the-polwarth-pavement-project/polwarth-roundabout-report/