CLAY COUNTY, Fla. — It’s a plan that could give drivers at one of the county’s busiest crossroads a shortcut. It’s called a quadrant intersection, and it could solve an intersection problem that’s ...

The interchange opening, planned for Friday morning, was delayed because of an equipment breakdown, the Colorado Department of Transportation said. It is unclear when the intersection will open. The ...

Joe Hummer, a professor in the N.C. State University Department of Civil Engineering, scoffed the first time he saw the “quadrant roadway” design on paper. At the time, nearly a decade ago, that paper ...

A proposed quadrant intersection for U.S. 52 and Goodhue County Road 9 is currently projected to cost between $8 million and $9 million, a savings of up to $6 million over a diamond interchange.