Underneath the state is the curved arrow traffic logo for the roundabout and this declaration: “Home of Maryland’s First Roundabout: Lisbon.” As for the caps, Mr. Mincin went with black.

But there was no mistaking the iconic double-lined Subaru Tecnica International logo that a tipster spotted stamped on a plastic traffic barrier outside Paris earlier this month.

The U.S. continues to warm up to traffic circles, a road design long embraced globally. Until the 1990s, circular intersections were rare, but in the past 25 years, an estimated 10,000 have been ...

New York has the Empire State Building, Washington the Lincoln Memorial and Baltimore, Camden Yards. As for Lisbon, it has The Roundabout. It also has been memorialized in the true American way. Yo… ...