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US 301/I-95 Double Crossover Diamond Interchange

Moving traffic to the left to make it flow right

  • Robeson County, North Carolina

    Robeson County, North Carolina

Helping motorists get to their destinations

More than 37,500 vehicles will travel the U.S. 301 / I-95 interchange corridor daily by 2035. To improve traffic conditions and help motorists get to their destinations more easily, Stantec designed an unusual interchange for the North Carolina Department of Transportation (NCDOT).

US 301 and its interchange with I-95 serves a mix of residential and commercial developments, including Robeson County Technical Institute. The original interchange had two opposing through lanes and a significant skew angle, and failed to meet the minimum vertical clearance over I-95. With these challenges, the NCDOT needed a cost effective design that increases capacity, reduces congestion and improves safety for drivers and pedestrians. The initial design scope included a single point urban interchange, but after comparing the constructability and traffic phasing operations of several alternatives, we determined that the Double Crossover Diamond (DCD) design was the best option. The DCD was designed and placed within the existing diamond interchange’s right-of-way footprint. In addition to roadway and structure design, we developed the NEPA environmental assessment for this project.

At a Glance

Meet Our Team

Andrea Dvorak-Grantz, Principal

Through collaboration, communication and responsiveness to scope, schedule and budget, we consistently create high-quality products that meet our client’s needs.

Joe Kelvington, Principal

My goal each day is to do the best work that I can with the resources at hand, and to have fun along the way.

Dean Sarvis, Senior Transportation Engineer

Expect change and you won’t be disappointed later.
Dean Sarvis Senior Transportation Engineer Read More

Andrea Dvorak-Grantz


Joe Kelvington


Dean Sarvis

Senior Transportation Engineer

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