How to use a roundabout

[eigoya]

I've avoided the roundabout for fear of tailbacks, but Beach Road is a long ride. I drove through this morning. Not bad, backed up halfway to police station. Sure enough most of the cars stopped, waited for multiple cars to pass, and then joined. Tonight was no better on the 130 shoulder from town. Everyone puts on blinkers, stops to get into extra long, slow line of traffic. Merging is not done. Do we need PSAs? Puna Service announcement: don't stop, merge,