This rendering shows the planned changes to the Interstate 40 interchange at N.C. 42 and Cleveland Road. The interchange will be extended to let drivers get on or off the highway at Cleveland Road as well as N.C. 42. Meanwhile, N.C. 42 traffic passing over I-40 will follow a criss-cross pattern known as a diverging diamond designed to eliminate left turns and reduce time spent at red traffic lights.
This rendering shows the planned changes to the Interstate 40 interchange at N.C. 42 and Cleveland Road. The interchange will be extended to let drivers get on or off the highway at Cleveland Road as well as N.C. 42. Meanwhile, N.C. 42 traffic passing over I-40 will follow a criss-cross pattern known as a diverging diamond designed to eliminate left turns and reduce time spent at red traffic lights. COURTESY OF NCDOT
This rendering shows the planned changes to the Interstate 40 interchange at N.C. 42 and Cleveland Road. The interchange will be extended to let drivers get on or off the highway at Cleveland Road as well as N.C. 42. Meanwhile, N.C. 42 traffic passing over I-40 will follow a criss-cross pattern known as a diverging diamond designed to eliminate left turns and reduce time spent at red traffic lights. COURTESY OF NCDOT

If you drive I-40 through Johnston County, changes and a new exit are coming

September 28, 2017 2:08 PM

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  • Here's how a diverging diamond interchange works

    The N.C. Department of Transportation made this video to explain the "diverging diamond" interchange or DDI. The department is planning to build two of them in the Triangle, at the Beltline and Western Boulevard in Raleigh and at Interstate 40 and N.C. 42 in Johnston County.