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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

Our new time-lapse video shows the progress crews are making on the US 89 landslide repair project, about 25 miles south of Page.
Work is progressing on the Loop 101 widening project between Shea Boulevard and Loop 202 (Red Mountain Freeway).
There’s a lot of interesting content in our early blog posts, which is why we’re looking back and highlighting some of our favorites in a new series called, “From the Rearview Mirror.”
Input from the public helps to shape ADOT projects.
Work continues on the US 89 Cameron roadway improvement project in northern Arizona.
Take a look back at what traffic school was like in 1973.
Ever wonder what it takes to move one million cubic yards of rock and dirt?
Our newest infographic shows you the steps for getting your new driver license or identification card.
The number of electronic message boards displaying commute times is due to increase to 76 by late this year.
While their name might sound somewhat morbid, Deadman Anchors are actually nothing to be afraid of. In fact, they’re very handy on a project site.