Underpasses are made to separate vehicle, pedestrian, bicyclist and even train traffic. And that’s exactly what the Wickenburg Underpass has been doing since 1937.

The above photo from the May 1974 issue of an employee newsletter for the Arizona Highway Department (ADOT’s predecessor) show the Safety Projects Team’s brand new photolog van “outfitted with sophisticated electronic gear to control...

We're shining a spotlight on the 26 Adopt a Highway groups that became new members or renewed their volunteer permits between May and July.

When it comes to state highway improvements that safely connect people and power Arizona's economy, there are no minor projects. However, there are Major Projects. That's why we're visiting with the head of our Major Projects and Alternative Delivery Division.

Carmelle Malkovich of Claypool won a raffle sponsored by the Globe-Miami Chamber of Commerce to become the first across the bridge. We caught up with her to discuss her memories of that day, including spending time with Governor Rose Mofford.

Are we thinking the same thing when looking at those photos? It’s 53 years later and our snowplow drivers are still the best in the biz if you ask me. Look at the snow surrounding the highways… and both directions of travel are clear for...

Ever wonder where Bell, Bethany Home, Thunderbird, McDowell and other I-17 cross streets got their names from? We've got the answers.

This episode of our podcast, On the Road With ADOT, features Motor Vehicle Division Director Eric Jorgensen. He explains that, come May 7, 2025, a form of identification like the Arizona Travel ID will be required for air travel.

In this episode of On the Road With ADOT, Public Information Officer Garin Groff provides an update on a project creating a free-flowing interchange for US 93 and Interstate 40 in Kingman. He also has an update on other projects improving travel in northwestern Arizona.

Recently, we were asked on social media about merging into a center left-turn lane on a surface street: The Arizona Driver License Manual has the answer on page 37. A center left-turn lane is in the middle of a two-way street and marked on...

Calling all ADOT artists. Here is another way to let your artistic energy out while staying cool indoors. Coloring specialty license plates!

Though it’s no longer open to cars, the Walnut Canyon Bridge near Flagstaff has been standing for 100 years.

We're excited to share that an ADOT project that added Loop 303 interchanges at 43rd and 51st avenues is a national finalist for top honors in the 2024 America’s Transportation Awards. We also want Arizonans to know that one of those honors, the People’s Choice Award, is decided by the public.

Summer is still in full swing, but ADOT is already gearing up for winter.

Our Northcentral District administrator explains big projects his staff is working on, including improving Interstate 17 pavement south of Flagstaff and replacing the I-17 bridge at J.W. Powell Boulevard. He also explains how ADOT personnel deal with the challenge of severe winter weather.

If you’re a parent or guardian to a young child, you know how important it is to keep them safely secured in a car seat or booster seat. But do you know which type of seat is best for your child? Or when it’s time to transition your child...

A 5-mile stretch of SR 88 reopened this week includes a steep, narrow, winding section on Fish Creek Hill, some of it along a cliff. Conditions there can change following every rainfall, meaning today’s roadway may not resemble what you’ll encounter following the next weather event. That's why it's for use only by four-wheel drive vehicles.

We've invited two experts into the On the Road With ADOT studio to discuss what goes into making sure oversize loads get where they need to go safely, with minimal disruption to traffic and in a way that safeguards Arizona's investment in state highways.