There's one more rule: traffic on the circular road has priority. This is how it would work in a sane system, but they don't always work this way. I can think

There's one more rule: traffic on the circular road has priority. This is how it would work in a sane system, but they don't always work this way. I can think of several examples in New Jersey, particularly around Flemington, where the circle manages the intersection of two roads having different importance. In these cases, the important road is given the right-of-way all the way through the circle, and those coming around the circle from the lesser road are required to yield.