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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

You have a smartphone, may want a smart car and will soon be introduced to smart highways.
To keep yourself and others safe, you need to drive differently when you're near semi-trucks.
Can you guess "Where in AZ??" we snapped this photo? Post your guess on our Facebook page!
After getting beat up by years of freezes, thaws and heavy weather, Interstate 40 west of Flagstaff is getting a much-needed upgrade in the form of two projects.
If you think you've spotted an Arizona highway on the the big screen, you're probably right.
Updates at the MVD Regional Service Center in Tucson means better customer service.
ADOT Director John Halikowski discusses a planned system to help detect wrong-way drivers.
Crews are making headway on the Loop 202 South Mountain Freeway that is expected to open to traffic in 2019.
If you know "Where in AZ" this photo was snapped, make sure you visit our Facebook page and let us know!
A close-up shot in this The Art of Transportation photo gives us a different vantage point of these nuts and bolts.