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.

New Cordes Junction traffic interchange is designed to enhance safety and improve mobility.

What we’ve got for you today isn’t exactly groundbreaking news, but we think you’ll find it kind of interesting…

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.

If you’re reading this post it means you’ve found the ADOT Blog’s new home! So, what do you think? We really like the new space and hope you’ll take some time to look around and see how the entire ADOT website has been redesigned with you in mind.

Did you know that your safety, and the safety of your passengers and other drivers, could be riding on your tires?

How important are all the signs posted along Arizona’s highway system? Well, we’d literally be lost without them.

The ADOT Sign Shop is one very busy place. Nearly 35,000 signs were created there during last fiscal year alone – that averages out to almost 3,000 signs each month!

A new study by ADOT finds that out-of-state bicycle tourists and customers bring in a significant amount of money to our state’s economy each year.

ADOT is set to open the newly paved US 89T tomorrow, Aug. 29, albeit with some restrictions. Until construction and fencing is completed, the roadway will be open only during daylight hours (except for local residents) and there will be a 25 mph speed limit.

Last month, ADOT participated in a multiagency enforcement detail focused on determining if retail gas stations are adhering rules, laws and regulations governing taxation and quality of fuel sold for use in motor vehicles.

Interstate 17 north of the Phoenix area, one of the busiest highways at the start and end of the Labor Day weekend, will be the focus of a safe-driving campaign starting today (Aug. 30).

If you’ve ever drifted a little too far outside a travel lane, only to be jolted back to attention with a not-so-subtle shake, you know what rumble strips are.

These photos are almost 41 years old and show us that on Sept. 20, 1972, the Arizona Highway Department (now known as ADOT) held a public meeting in Camp Verde to discuss Interstate 17.

You can brush up on your skills and learn all about vehicle safety by reviewing the Arizona Driver License Manual. After you study up, be sure to take ADOT's online Driver License practice tests.

Starting on Monday, Sept. 16, two new services will be offered to military veterans by ADOT.

Today, as ADOT gears up for another milestone on the Loop 303, we thought we’d take one more look at all the progress that’s happening on the project.

An Accelerated Weathering Tester is used by ADOT’s Materials Testing team to analyze how well paint will perform on ADOT projects, come rain or shine.

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When it comes to talking about seat belts and child-safety seats, it's difficult not to talk numbers.