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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

How do you know that a slope is secure? Why, you use inclinometers and piezometers, of course!
Join our weekly challenge with another Arizona location for you to pinpoint!
ADOT's snowplows are ready to kick into high gear for the snow forecast for the upcoming weekend.
Hey, ADOT Kids, you see signs all the time, but do you know how they are made?
What gets you excited? For ADOT it's definitely new cameras, like the ones now up along the Loop 303!
ADOT tries to share safety messages with the public as much as we can, but we could always use help from the best ally there is - you.
Let's get together and talk about how to improve the Loop 101 Agua Fria 75th Avenue interchange. No pickup truck required.
This unassuming piece of weathered pavement is actually part of the grand, sweeping story of the Old Black Canyon Highway.
The community of Ash Fork has always had a knack for being at the right place when it comes to popular transportation.
They say necessity is the mother of invention. That's definitely true for our Quartzsite Maintenance Unit, which assembled a nifty little gadget to save both time and money.