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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

Kathleen Mendes has seen a lot and learned a lot while helping clean up her section of US 180.
Make sure your holidays are merry and bright by securing your load.
Don't simply pass by this unassuming town along State Route 82.
Who better to set a good example and help clean a stretch of highway than the Boy Scouts?
Does the new interchange at SR 189 and I-19 give you butterflies too? Learn why and how monarch butterflies are being incorporated into the design.
You may have seen the message to quickly clear on our overhead signs, but ADOT Director John Halikowski talks about how that simple message helps everyone get Safely Home.
Art imitates life in this shot from the recently finished project to improve Interstate 19 at Ajo in Tucson.
We are looking out how to improve two important corridors in Flagstaff and we need your help to do it.
AZMVDNow has introduced a new feature to help you find the service you need.
Yes, it snows in Arizona, so it's time to start thinking about snowplows! Learn more about how ADOT uses these incredible machines.