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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

Materials engineers evaluate everything from the rocks that go into cement to the reflective beads used in paints that stripe roadways to the bolts that help hold bridges together.
Traffic engineers explain how they keep vehicles moving and the new technology that is ahead.
It was so popular last year that we're bringing it back again this year! The ADOT Safety Message Contest launches today.
As a resident engineer, Kole Dea is responsible for administering construction projects and ensuring that every ADOT contractor follows engineering plans precisely.
It's National Engineers Week and those of us at ADOT are celebrating!
It's another brain teaser testing your Arizona knowledge!
A new bridge used only for construction will help expedite a project widening I-10 and creating a new interchange at SR 87.
With millions of Grand Canyon visitors each year, it's hard to imagine a time when it was difficult to reach the park.
We're embracing the Valentine's Day spirit on our overhead message boards with a reminder to drive safely.
Sixty volunteers come together to remove litter along State Route 286.