Links
MODOT Video of I-44/Kansas Expressway DDI
Popular Sceince 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
Article on potential DDI in Virginia
Time Magazine Article on the DDI
Slate.com Article on DDI (7/31/01)
The first DDI in the Atlanta Region (NEW 6/11/12)
Editorial from Lincoln Journal Star in Nebraska (NEW 6/11/12)