Saturday, September 28, 2019

US60 Extra: Diverging Diamond Interchange

Leaving Paducah, KY, this morning, drove through my first Diverging Diamond Interchange (DDI).

I had seen videos about them in the past and they looked quite innovative. After driving one this morning, I declare that they are genius! By shifting the arterial lanes, they vastly improve flow on and off the highway, greatly reduce backups on the ramps, and speed up traffic on the arterials.

If the US ever seriously undertakes nationwide infrastructure improvement, I hope as many interchanges are converted to DDIs as possible!

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