Reader question: Do diverging diamond interchanges cost less to build than traditional diamond interchanges or roundabouts? Are they safer than roundabouts? Why change from roundabouts? Answer: ...

Another diverging diamond interchange could be coming to an interstate in the Milwaukee metro area. The Wisconsin Department of Transportation has proposed a reconstruction project in Waukesha County ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

If you're sitting in a car, waiting and waiting and waiting to make a left turn, well, this next story is for you. Imagine an intersection where turning left is just as easy as going straight. This ...

The state put the first diverging diamond at a notoriously traffic-clogged intersection in Springfield where it could often take as long as 20 minutes to make a left turn. (Whitney Shefte for NPR) ...

The city of Oklahoma City is proposing to replace a busy and dangerous stretch of Western Avenue in northwest OKC with a traffic roundabout and a diverging diamond interchange design. The $12.6 ...

WisDOT is considering a diverging diamond interchange at I-94 and County F in Waukesha County. A nearby business owner is concerned that the construction project will impact his and other businesses.

An unconventional design known as the diverging diamond interchange has proven to be safer and more efficient than conventional left turn lanes.... The 'diverging diamond interchange' may come soon to ...

An unconventional design known as the diverging diamond interchange can be both safer and more efficient than conventional left turn lanes. Road... Loading ...

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 ...