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 ...

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 ...

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.

ALLEN COUNTY, Ind. (WPTA) - The Indiana Department of Transportation (INDOT) says crews will soon start construction of a quadrant roadway near the intersection of State Road 930 and Maplecrest Road ...

On Tuesday, the Northern Virginia Transportation Authority (NVTA) is joining the Prince William County Department of Transportation to celebrate the start of construction on the Prince William Parkway ...

By: Andrew P. Nichols, Ph.D., P.E., PTOE, and Chih-Sheng Chou, Ph.D. At signalized intersections, daily fluctuations in demand can be handled by the amount of green time allocated to the movement. As ...

A double quadrant intersection is proposed for where South Front Street, Burnett Boulevard and Carolina Beach Road meet. Video provided by NCDOT. 26,532 people played the daily Crossword recently. Can ...

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 ...