Freeway in the desert

ADOT Blog

Latest blog articles

Where do speed limits come from? How are highways engineered, signed, striped, etc., to maximize safety? To explain these and other aspects of state highways, we're pleased to have State Traffic Engineer Kerry Wilcoxon as this week's On the Road With ADOT guest.
See Adopt a Highway volunteers across Arizona caught in the act on National CleanUp Day 2025.
ADOT has more than 100 specialty license plates featuring a range of worthy causes or charities. To boost awareness, we showcase one specialty license plate each week on social media. We call this the "Specialty Plate Spotlight" and here are the plates that were featured in September.

Popular blog articles

We know many of you are eager for construction on N20 to finish and we want to let you know that we hear you and understand just how ready you are for this roadway to open! While work isn’t done yet, we hope you can be patient for a little bit longer as ADOT works to ensure that the route is a safe roadway that motorists will be able to use for years to come.
What we’ve got for you today isn’t exactly groundbreaking news, but we think you’ll find it kind of interesting…
New Cordes Junction traffic interchange is designed to enhance safety and improve mobility.
America's Transportation Awards presented a Best Use of Innovation award to ADOT for the Nogales Mariposa Port of Entry project completed in summer 2012.
If you don’t know much about ADOT’s Enforcement and Compliance Division, you’ve come to the right place…
No, this photo isn’t an example of ADOT’s latest design “statement.” Despite how it might look, the cement is not being painted a pale pink hue.
ADOT hosted a public hearing and several community forums over the last few months to get input on the South Mountain Freeway draft Environmental Impact Statement...
Now you can check online (before you buy) to see if a vehicle has a lien.
Even though the Avenue 3E Bridge widening project in Yuma isn’t the biggest ADOT undertaking in terms of budget or scope, it has made a pretty big impact.
Rubberized asphalt is durable, smooth and uses recycled materials that otherwise would be headed to a landfill ... what’s not to like?