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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

During this unprecedented time, ADOT Director John Halikowski is encouraging managers inside the agency to do all they can to support the unique challenges facing employees.
You'll see signs on our overhead boards this week reminding drivers it's illegal to leave the scene of a crash. Here's why that is so important.
Saturday is officially National Move Over Day, but it's a lesson that applies every day.
You may have missed the actual work, but you won't have failed to notice that a concrete pour has happened on our project at I-10 and Ruthrauff.
We want to improve truck parking, but for that we need the input of the trucking community.
To launch a new awareness campaign, we found people in some truly high-pressure jobs who's greatest fear is still distracted driving.
Our traveler information website, AZ511.gov, now offers views from the South Mountain Freeway.
The diverging diamond interchange at Interstate 17 and Happy Valley is opening this month. What does that mean? Let us tell you!
The Phoenix New Times has chosen Arizona Highways as the best Instagram account for 2020.
What can you gleam from this photo of roadwork from the 1930s?