What’s A ‘Spooey’? A Field Guide To Freeway Interchanges

Everybody knows what a cloverleaf looks like — but could you identify a volleyball, a double trumpet, or a “spooey” if you drove on one in the course of your highway travels? These are among the distinctive designs that transportation engineers have conjured up to keep traffic flowing and motorists headed in the right direction when major roads intersect.


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