The Deck Park Tunnel isn’t technically a tunnel - it’s actually made up of 19 bridges that are lined up side by side, creating a tunnel effect for motorists. But there are actual, honest-to-goodness tunnels that were dug during the project.

In honor of its 25th birthday, we’ve focused on the Deck Park Tunnel all week but we’re not done yet.

Crews have started on repairs along US 89A following the House Rock Flood. About a half-mile stretch west of Marble Canyon remains restricted until repairs are complete.

When you apply for a driver license or identification card, registering to become an organ donor is as simple as checking a box.

Technology is being implemented to enhance ADOT's weight and equipment safety inspection process for commercial motor vehicles.

New plates include Arizona Coyotes, Midwestern University, U.S. Marine Corps and Firefighter Safety Training.

Sharing the road needs to be a focus year-round, and right now, as many children head back to school, it’s the perfect time for motorists, pedestrians and cyclists to review and improve habits.

Improvements to SR 80 through Tombstone include the replacement of water-damaged adobe at the base of Schieffelin Hall, one of the most significant historic buildings in “The Town Too Tough to Die.”

ADOT, in partnership with the Federal Railroad Admin., has released the Draft Tier 1 Environmental Impact Statement for Passenger Rail Corridor Study.

Rustication and graphic elements are used to help create visual interest and a sense of place.

Learn about the benefits that modern roundabouts offer traffic planners and engineers.

It’s been a while since we last checked in up north on the I-17/JW Powell traffic interchange improvement project.

Vehicle registration is a topic that matters to just about every vehicle-owner in this state. Today, we're sharing some frequently asked questions on the subject (along with the answers!).

We have an update for you on the Hell Canyon Bridge replacement project that isn’t infernal at all!

We’re about to hit a big milestone over on the ADOT YouTube channel!

ADOT has received a new accolade for its leadership in developing wildlife crossing structures in Arizona.

ADOT hosted its first iShare Innovation Showcase, giving agency employees an opportunity to share the ideas that have helped streamline efforts.

We love featuring vintage transportation-related photographs on this blog, but we also like to focus on how things have improved and changed over the years. That’s why we thought it’d be fun to compare the old to the new in a series we’re calling, “Yesterday and Today.”

A look at the US 60 corridor improvement projects that ADOT currently has underway.

Arizona's Move Over law is designed to protect all drivers and those who work on or next to our roads.