| Atlanta, GA Georgia Department of Transportation saved 55,000 daily motorists’ commute time and greatly improved safety with its $6 million I-285/Ashford Dunwoody Interchange project, which was completed one month ahead of schedule.A 2010 study showed the interchange had a high collision and fatality rate compared to similar interchanges in the state. GDOT decided to construct a diverging diamond interchange to combat the problem, making it the first DDI in the state. The design relieves congestion for those who commute to one of the region’s largest employment centers while improving safety elements to reduce fatalities and collisions. With a well-developed awareness program, members of the community were informed through web updates, news stories, and a life-size simulation interchange for the public to test prior to the construction’s completion. The project was completed in June 2012, a full month ahead of schedule. |
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America's Transportation Awards 
Before this interchange was renovated, traffic was always backed up, too many accidents, and travel times were atrocious. I actually stopped using this interchange and went another route that added 30 minutes to my travel. Now that the interchange has been renovated, my commute has dropped by close to an hour and traffic isn’t at a standstill. You would think that with the change of driving lanes (from driving on right of bridge to left of bridge) that there would have been even more accidents – but that isn’t happening! Way to go GDOT!
Congratulations on this superior Highway interchange design
I worked in this area in 2010 and HATED getting of in the evenings. I actually changed my time to leave work, went shopping for an hour or more or went to the gym to miss traffic. Within the last two weeks, I took my daughter to work (she works off this interchange) and got the SHOCK of my life. I was so in awe of the “beauty” that this change made as well as the “convenience” it made. I love it….. GREAT JOB DOT… Also, I now work for the DOT and I’m very proud of what we do…..
Fantastic interchange and the beginning of many more DDI projects for metro Atlanta. Great traffic operations and safety improvement!
This is good if you are trying to get on or off the interstate. However crossing 285 now takes far longer than it used to. (To the point that it’s no longer time efficient to cross during a lunch hour for example)
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