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Freeway in the desert

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A major component of the work will be building the direct ramps to create the freeway-to-freeway interchange. When completed over the next two-and-a-half years, drivers will skip the traffic signals at the current Loop 303/I-17 diamond interchange.
Engineers at ADOT play a vital role in building and maintaining Arizona’s roads. During National Engineers Week, Feb. 22-28, we’re celebrating engineers and the work they do to keep Arizona moving.
As we mark National Engineers Week, let’s introduce you to where the action happens: ADOT’s State Engineer’s Office, led by State Engineer and Deputy Director Audra Merrick.

Popular blog articles

Unless you’re a traffic engineer, you probably haven’t thought much about how freeway ramp closures impact nearby exit and entrance ramps and the local streets they lead to and from. Well, let's ramp up your knowledge of this!
Piece by piece, the Gila River bridge on State Route 79 is sliding into place.
I'm just going to say it: I hate the cold. Anything under, say, 70 degrees, and I'm a whining, grumbling malcontent. So, as the weather outside turns cold and gray, you can often find me hovering near a space heater, or swathed in some...
Did you hear the news? ADOT named the Cottonwood Municipal Airport as the 2022 Arizona Airport of the Year!
This archived photo shows the Red Mountain Freeway in its development.
Share your thoughts about how ADOT should plan for the future. Participate in the Long-Range Transportation Plan survey through Dec. 21.
Thank you to volunteers who help keep our villages and not-so-pointy mountains litter-free.
Today, we throw it back to a Red Mountain Freeway in progress.
Yes, "shoofly" is a transportation term, too.
We hear about these places all the time. But how did they get their names?