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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

Look to head to a cooler climate? Today's "Where in AZ??" location may be a good spot for you!
There's been a lot of focus on distracted drivers the past few weeks, so ADOT Director John Halikowski shares what the "buzz" is all about.
Like the swallows returning to Capistrano, the reopening of state highways in the high country is a sure sign of spring. Just remember to be safe if you are planning to drive these scenic roads.
Just how accurate are those signs telling you that your next stop is x miles away? Well, let's find out!
The Deck Park, Queen Creek and Mule Pass tunnels get all the fame, but can you name the fourth tunnel on the state highway system?
If these railroad tracks and the steeple in the background look familiar, you'll want to join this week's "Where in AZ??" challenge.
If you are planning to visit the memorial the Granite Mountain Hotshots near Yarnell, please do so safely. And that means not parking along State Route 89.
Today we look back on an integral piece of interstate infrastructure.
What do you get when aesthetics meets a pressing transportation need? A beautiful strip of metal like the original Salt River Canyon bridge.
Winter is in the rearview mirror, which means we go from advising people to be prepared for winter driving conditions to preparing people for summer driving conditions!