imho the only kind of acceptable 2-lane roundabout is a turbo-roundabout: <a href="https://en.wikipedia.org/wiki/Roundabout#Turbo_roundabouts" rel="nofollow">https://en.wikipedia.org/wiki/Roundabout#Turbo_roundabouts
pocketman · · focus · HN ↗
jkubicek · · focus · HN ↗
rudolftheone · · focus · HN ↗