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WINDING FREEWAY EXCHANGES

While reading Boing Boing, we recently came across this brilliant collection of freeway exchanges. The amount of civic engineering that goes into making a left or right turn while traveling 55 + miles per hour is mind boggling. There’s all sorts of techniques applied.

From the Freeway Gallery: “This is a photo gallery of strange and striking freeway interchange configurations, including ones like the volleyball, the double trumpet, and the turbine. Many are as, or more, visually interesting than the cloverleaf. Learning all the different varieties makes one feel a bit like a birdwatcher when driving on the interstate. ‘Oh, there’s a classic diamond! And there’s a clovermill!” Click Read More for additional information and photos.