However, the number has shrunk as traffic circles have been phased out by the New Jersey Department of Transportation.
[3] Many of these interchanges are rotaries in design, as opposed to the more successful modern roundabout.
As suburban and rural populations grew New Jersey's traffic circles became outdated.
[1] Many traffic circles became notorious for having frequent accidents and being confusing, especially for non-locals.
[4][5] Starting around the 1970s, the New Jersey Department of Transportation began phasing out traffic circles.