A proper Venn diagram depicts every combination of intersections. Rejiggering the layout won’t help. Every four-circle drawing suffers the same flaw. To see why, start with a single circle and ...

Roundabouts are becoming an increasingly common feature on U.S. roadways, with over 7,000 in operation nationwide. In Delaware, the Department of Transportation roundabout location map shows there ...

The Geometry of Compasses; or, Problems Resolved by the mere Description of Circles, and "the Use of Coloured Diagrams and Symbols". By Oliver Byrne. (London: Crosby Lockwood and Co., 1877.) ...

First responders had the intersection blocked off before 5 p.m. Boone County Joint Communications sent a notification at 4:46 p.m. stating that the area was closed because of a fire incident.

There is no confusing intersection ... separate from the traffic in the circle. An old transportation diagram, pictured here, shows how that could work. But most of all, Burbank and Medaille ...