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

The new interchange where Abernathy Road meets GA-400 in Sandy Springs, known as a diverging diamond, opened Monday morning.

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.

A diagram of how traffic flows at the new diverging diamond interchange at Glades Road and I-95. Now, Martinez noted that if someone decides to drive recklessly through a DDI, FDOT has installed ...

That’s the unique thing about the diverging diamond design: It puts drivers briefly on the left side of the highway. If you’re driving all the way through the interchange – say, from Duncan ...

Some northwest Ohioans are expressing concerns over a major overhaul coming to the interchange at Airport Highway and I-475 in Springfield Township.