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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

There's a lot to see and a lot happening at I-10 and 59th Avenue in west Phoenix, where an interchange under construction will link with the South Mountain Freeway.
Enjoy the upcoming eclipse, but make sure you're doing it safely.
ADOT photographers look to the sky for this week's Art of Transportation installment.
After more than 90 years, Arizona Highways magazine isn't showing its age - it's continuing to change with the times.
This video explains how one employee's suggestion on wiper fluid has paid big dividends at our vehicle maintenance shops.
If you've driven past this location in Arizona, be sure the join our Facebook challenge!
Quick work by ADOT crews and other agencies helped reopen a popular picnic area on Mount Graham.
A structure known as a straddle bent will be part of the South Mountain Freeway/I-10 Papago Freeway interchange. Take a look at straddle bents in use elsewhere.
Starting this week, we’re rebuilding this stretch of I-40 starting with a new foundation. It’s a long-term fix for the damage winter wants to cause the roadway every year.
As of Oct. 1, 2020, the federal government will require your driver license or ID to comply with the REAL ID Act if you want to use it to enter an airport or other federally controlled facility.