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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.

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As ADOT prepares to open a new eastbound on-ramp and westbound off-ramp at Sarival Avenue and I-10, crews have been busy adding the finishing touches…
Interstate 10 moves approximately 260,000 vehicles through the Phoenix metro area every day. It’s a vital link for commercial traffic traveling to and from California and New Mexico; for intrastate travelers going between Phoenix and Tucson; and for a respectable number of travelers going to and from many of Arizona’s southern towns and cities.
The “mystery tree” on I-17 still has us baffled, so imagine our bewilderment upon seeing these photos of a shoe tree off of State Route 87, south of Payson.
Hard to believe, but after more than 200 blog posts we’re still surprised by some of the things we find out here at ADOT. For example, did you know there’s a small yard adjacent to an ADOT field office parking lot filled with dozens of sign samples?
QR codes are big nowadays … you see them everywhere. They’re the two-dimensional bar codes that provide a quick link to web pages for your smart phone. They are not only fun (there’s something kind of awesome about scanning a code and instantly being taken to a web destination), but they’re also convenient and that’s why ADOT’s Motor Vehicle Division is utilizing QR codes along with a new mobile site to provide customers the ability to renew vehicle and aircraft registration on the go!
It’s still summer vacation for most students, but several schools across Arizona already are planning on creating or enhancing their Safe Routes to School programs for next school year, thanks to reimbursement grants from ADOT.
According to one dictionary’s definition, engineering is “the art or science of making practical application of the knowledge of pure sciences, as physics or chemistry, as in the construction of engines, bridges, buildings, mines, ships and chemical plants.” Sure, it’s an accurate description, but do you get any real sense of what an engineer does from reading that?
We’ve followed the progress of the SR 143/Sky Harbor Boulevard traffic interchange project pretty closely here on the blog and we’re excited to let you know that the work is now complete!
We just got some really exciting news about the US 93 project (you remember, it’s the one that improved about 15 miles of roadway south of the Hoover Dam – we wrote about it here and here…
The wait is over ... today's the day we announce the top Haboob Haikus as voted for by the public. Before you watch the video above to see if your favorite was selected, we just want to give a big thanks to everyone who participated in the 2012 Haboob Haiku challenge!