Tag: DDI

Diverging Diamond Interchanges: A Coast-to-Coast Trend

By Steve Kuntz, PE, DBIA, and Howard Zabell, PE Earlier this year, the Commonwealth of Virginia opened its fifth diverging diamond interchange. Set over Interstate...

Reinforced Earth Walls Support Northern Virginia’s First Diverging-Diamond Interchange

About 40 miles west of Washington, DC along the I-66 corridor, Prince William County, Virginia has been experiencing rapid growth. In Haymarket, VDOT implemented...

TxDOT Builds a Rare Diverging Diamond

Explosive Growth in Austin Triggers Novel Traffic Solution By Bob Austin, P.E. The MoPac Expressway intersections at Slaughter Lane and La Crosse Avenue in southwest Austin...

Diverging Diamond Interchange (DDI)

Coming to a Highway Near You: An Insightful Solution to Your DDI Design Highways are shifting to more and more DDIs and a well-designed DDI...

How to keep trucking along

Diverging Diamond Interchange designs are beneficial for locations with heavy lefts on and off of freeway ramps. Diverging Diamond Interchanges and roundabouts can be designed...

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