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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

Planning to hit the road this spring or summer? Make sure you do you homework by visiting az511.gov to learn about any projects and restrictions in Arizona's high country.
Completed 60 years ago, Mule Pass Tunnel cost the state $2 million. That's the equivalent of $17.2 million today.
Work zone safety means something extra to us at ADOT.
Adopt a Highway volunteers made big splash in 2017, but we could use even more help.
Our "Where in AZ??" challenge features a more unusual roadside attraction.
As temperatures begin to rise, expect to look twice for motorcycles on the road.
Boy, the cars took up more space. Men had crew cuts instead of fades. Birch Avenue just went one way. Those were the days!
In a major milestone, ADOT completes first bridge spanning the future Loop 202 South Mountain Freeway.
ADOT is repaving or rebuilding more than 180 miles of Arizona's highways starting in April.
Grubbing. Yeah, it's a real word. We looked it up. ADOT will be grubbing along I-10 in preparation for new lanes.