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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

A safety campaign geared toward northern Arizona will feature safety messages on overhead signs and on ADOT’s social media channels.
"Where in AZ??" was this photo taken? Join us on Facebook and post your answer.
The Art of Transportation features an ADOT employee working alongside the highway.
The idea was hatched in 1973, but the technology to implement a revolutionary dust detection system is just now available.
We're explaining what a dust channel is and sharing advice on what to if you unexpectedly get caught in one.
Mile markers help break down Arizona's highways one mile at a time.
ADOT's focus isn't just on transportation systems for drivers. We account for bicyclists and pedestrians too.
Join our Facebook challenge and showcase your Arizona knowledge with "Where in AZ??"
When vacation planning, remember to prepare for summer paving projects in northern Arizona.
Watch the video presentation of the award for best license plate. You'll also catch a few classic cars sporting the Route 66 plate.