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While Route 66 was officially decommissioned in the 1980s and replaced in Arizona by I-40, its centennial is a big deal for those of us in the highway business. In this post, we're pointing you to some of the ways Arizona cities and towns are celebrating:
Joe Heller, our resident engineer on a big project getting underway in the North Valley, joins On the Road With ADOT this week to explain what's coming over the next two and a half years, including a flyover ramp connecting northbound I-17 with Loop 303.
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.

Popular blog articles

ADOT worked with the Hopi Tribe and the Federal Highway Administration on a safety project for residents of the Hopi community of Second Mesa along State Route 264 in northeastern Arizona.
By Kelsey Mo / ADOT Communications Holiday cheer has landed on our overhead signs reminding travelers to drive safely (and end up on Santa’s “nice” list) in the days leading up to Christmas. Historically, more crashes occur in December than...
It’s been a great year for the ADOT Blog. We published more than 140 articles, covering a wide range of topics from project progress and historical anecdotes to animal rescues and Adopt a Highway updates. Since it’s the end of the year, now’s the perfect time to count down the ten most-read blogs of 2023.
If you have a question related to Arizona roadways, who you gonna call? The answer is: It depends. Here at ADOT, we’re happy to answer questions about highways, the Motor Vehicle Division and more. But sometimes, people call us for...
After the recent exciting news that a Federal Highway Administration will fund an I-17 wildlife overpass and other improvements to reduce conflicts between vehicles and wildlife, we take a look at other projects ADOT has completed with the same goals in mind.
Much like cleaning your home, keeping a highway clean is a never-ending job. But in the world of freeway maintenance, we have a tool more effective than any broom or feather duster: the mighty hydrovac.
In just over three years since ADOT launched AZMVDNow.gov, 4,016,114 Arizonans have activated free accounts to access the primary online portal for MVD customers.
Travelers tell us they prefer litter-free highways (go figure) and these are the groups who stepped up between Aug. 1 and Oct. 31 to help reverse the ick factor.
We don't have five golden rings, but we do have five lonesome ladders in our "12 Days of Christmas: Highway debris edition" video.
Our On the Road With ADOT podcast catches up with Eric Jorgensen, Director of ADOT’s Motor Vehicle Division. There’s important stuff to catch up on, including technology improvements that continue reducing wait times at MVD offices and the ever-growing number of digital ID options in Arizona.