I'm fascinated, oftentimes, by what fascinates me -- okay? That's what this post is about.
I noticed this morning an article in the Atlanta Journal-Constitution on the "Diverging Diamond" construction set-up at Atlanta's notorious Ashford-Dunwoody Road interchange on I-285. The article was informative but I couldn't quite get what they had accomplished until I watched the YouTube video:
Brilliant !!! Although, the alternative name for the design (double crossover) works better for me.
I love it when practical engineering creates a genuine solution to an everyday problem that benefits the average person. And, to me, this clearly qualifies. Kudos to the Missouri officials who (apparently) first came up with this solution in America and the French officials who appear to have been the inventors of the idea.