Noelle, these traffic circles will be used in a different application than the ones in Sequim. The roundabouts in Sequim are on arterial streets at major intersections and used in place of stop lights and stop signs. The proposed traffic circles for this development will be smaller, located at uncontrolled intersections on Francis St., and will be used as a device to slow traffic in the neighborhood. You'll probably never have to use them unless you live in that neighborhood or are trying to cut through it- which brings us full circle. They're trying to prevent through traffic from speeding through the neighborhood or encourage them to use a different route altogether (I.e. Race/Peabody).
 
Beside the point, I would actually like to see some roundabouts in PA, as long as they are implemented correctly. If used in the right locations, and once people get used to them, they can move traffic along at a faster rate than stop signs and stop lights which helps reduce backups and congestion.