I-75/University Parkway Diverging Diamond Interchange (New 07/01/14)
MODOT Video of I-44/Kansas Expressway DDI
Popular Science names DDI one of the best innovations of 2009
Q and A article with Chlewicki in Dewberry’s Dimensions publication
Article in Engineering News-Record on DDI (Subscription required, hard copy in Dec. 21, 2009 issue)
FHWA Driver Evaluation of the Diverging Diamond Interchange
FHWA Public Roads – Doing More With Less
FHWA Public Roads – Nov/Dec 2010 – Double Crossover Diamond
Time Magazine Article on the DDI
Slate.com Article on DDI (7/31/01)
The first DDI in the Atlanta Region (6/11/12)