By BrieAnna J Frank | The Republic

The Arizona Department of Transportation is proposing construction of Arizona’s first “diverging diamond” interchanges.

One of the interchanges would be built on Interstate 17 and Happy Valley Road. The other two would be built as part of the new South Mountain Freeway now under construction, which will extend the Loop 202 freeway from Chandler to Interstate 10 in west Phoenix.

ADOT officials said the design would create safer driving conditions by reducing the number of points where there are opposing directions of travel.

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