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Oklahoma opens first diverging diamond highway interchange in Elk City


The Oklahoman By RANDY ELLIS September 21, 2020


ELK CITY — Oklahoma's first diverging diamond interchange is now open at the interchange between Interstate 40 and State Highway 6/Main Street in Elk City.

A diverging diamond interchange differs from a traditional interchange in that traffic is redirected to the opposite side of the road prior to traversing the highway bridge crossing the interstate.

The configuration is designed to permit free-flowing left turns onto the interstate. Two phase traffic signals are installed at the roadway crossover points.


View the full article: Oklahoman.com

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