An unconventional design known as the diverging diamond interchange has proven to be safer and more efficient than conventional left turn lanes. Road planners across the country are switching sides.

APPLETON — In an effort to increase traffic safety, the Wisconsin Department of Transportation is constructing three new diverging diamond interchanges as part of the Interstate 41 expansion project.

HAYMARKET, Va. — When you first approach this bridge over Interstate 66 in northern Virginia, it may feel like you're driving on the wrong side of the road. Because, in a way, you are. "There were a ...

Diverging diamonds quietly remake U.S. interchanges, easing left turns, crashes, and delays with smarter, human centered ...

Howland Township was one of the first, but surely won't be the last of the diverging diamond construction in Ohio.

The interchange at Interstate 475 and U.S. 20A is the second DDI to open in northwest Ohio after the one in Perrysburg. Officials from the Ohio Department of Transportation said three more are coming, ...

Engineers for the state Department of Transportation think the strategy for fixing two of the worst highway interchanges in the Triangle should involve driving on the wrong side of the road. The NCDOT ...

JACKSON COUNTY, MI – The new diverging diamond interchange carrying traffic on U.S. 127 and I-94 north of Jackson is open. The new traffic pattern officially opened Sunday, Nov. 13. The $64-million ...