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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

Arizona is full of scenic roads, but it's hard to beat State Route 260 as it winds its way between Cottonwood and the White Mountains.
Nothing ruins a great shot of Arizona's beautiful scenery like someone's trash. But, picture being the one who helps ensure the state looks camera ready by adopting a mile of highway.
Whether it's the satisfying geometry of a bridge's lines and shapes or the sheer immensity of its size, the various construction stages are a sight to see. When it comes to the new Pinto Creek Bridge on US 60, you have the added appeal of stunning desert scenery and staggering slopes set against an Arizona blue sky.
Things are looking pretty bright for our project to install LED lighting in the Deck Park Tunnel - pun intended.
You are never too young to care about your community, something demonstrated recently by a group of middle school students who helped clean up a section of US 191 near Morenci.
Angeline Hoagland would be amazed. After all, she was but a toddler when she died near the Old Black Canyon Highway in 1889, but stories of her death – and reports of her “ghost” – are alive and kicking today.
Ever wonder how a bridge, whether it be a stately metal connector over a canyon or a concrete slab over a wash, comes into being? And why they take the form they do? Well, let us tell you!
History will most likely remember the late Justin Herman, Arizona Highway Department director from 1956-1973, as the energetic leader who shepherded in the modern state freeway system, including the Black Canyon (I-17), Superstition (US 60) and Maricopa (I-10) freeways.
This century-old other bridge over the Salt River deserves some recognition.
Our weekly challenge features a unique Arizona image and this week is no different.