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Road Planners Embrace the Diverging Diamond Interchange To Speed Up Traffic


schwit1 shares a report from NPR: When you first approach this bridge over Interstate 66 in northern Virginia, it may feel like you're driving on the wrong side of the road. Because, in a way, you are. "There were a lot of people who looked at me like I was a little nuts," says traffic engineer Gilb...

schwit1 shares a report from NPR: When you first approach this bridge over Interstate 66 in northern Virginia, it may feel like you're driving on the wrong side of the road. "There were a lot of people who looked at me like I was a little nuts," says traffic engineer Gilbert Chlewicki, the inventor of this unconventional interchange. Chlewicki agreed to meet at this intersection 35 miles west of Washington, D.C. to explain the workings of the diverging diamond interchange, as it's known.

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