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Diverging Diamond Interchange receives national attention
by LaTria Garnigan
September 11, 2013 03:29 PM | 3105 views | 0 0 comments | 19 19 recommendations | email to a friend | print
A year into operation, the Diverging Diamond Interchange at I-285 and Ashford Dunwoody Road continues to gain recognition for its innovation and design.

The interchange, spearheaded by the Perimeter Community Improvement Districts, was brought in to ease traffic congestion, improve safety and cut down on commuter traffic in the area — which attracts about 55,000 vehicles daily in the Perimeter market.

“It’s been a super success,” said improvement districts President Yvonne Williams. “Traffic conditions have improved 30 percent northbound in the evening and about 20 percent southbound coming across the interchange in the mornings. And we just believe that it has been a fabulous example of innovation, partnership and execution.”

Recently, the project was named the regional winner in the Ahead of Schedule, Small Project category at the Southeastern Association of State Highway Transportation Officials.

“It was a great project,” said Georgia Department of Transportation Commissioner Keith Golden, in a statement. “It was innovative and has proven to be very effect in relieving congestion in that very busy corridor north of Atlanta. To get it done ahead of schedule was a real benefit to the community as well.”

Williams said the project was the result of a public-private partnership with the city of Dunwoody, the Georgia State Road and Tollway Authority and the Georgia Department of Transportation.

Adding to its recognition, the interchange was also named a top 10 finalist in the 2013 America’s Transportation Awards competition, sponsored by the American Association of State Highway and Transportation Officials and the U.S. Chamber of Commerce.

“It’s very prestigious,” said Williams of the national recognition.

“This is a very important gateway to the corporate center of all the major employers and a fabulous example of innovation. And other areas are copying it, so obviously it’s going to be seen as the model.”

The grand prize for the national award will be given in October, and until then, individuals can vote through Oct. 2, up to 10 times per day. Voting can be done at

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