To celebrate, we're sharing a note from ADOT to the many Adopt a Highway volunteers who help make Arizona a nicer, cleaner place.

ADOT is adding a new element to the way we coordinate with American Indian tribes across the state.

We're exploring a rocky outcropping in today's "Where in AZ??" challenge.

The new mobile-friendly AZ511.gov system that provides up-to-the-minute conditions along Arizona’s highways can also be tailor-made to suit your personal travel needs.

In addition to the work on I-10 and SR 87 near Eloy, we are also installing a first-in-the-state dust detection system.

Check out how our crews were able to recently reopen highways in the White Mountains after seasonal closures.

Drivers can expect to see big things soon on I-17 in north Phoenix.

All are welcome at task force meetings for ADOT holds through our Business Engagement and Compliance Office.

Drivers passing by new overpass walls along I-10 at Ina Road, Eloy and Casa Grande will see more than just concrete.

The collaboration paid big dividends this past winter when people flocked to snow along US 180 northwest of Flagstaff.

This week we're asking you to identify the location of a bridge. Join our "Where in AZ??" challenge!

Users of ADOT's Arizona Traveler Information site at az511.gov can create alerts corresponding to routes they have set up.

Two slideshows take you through and above projects widening I-10 to three lanes in each direction in Casa Grande and near Eloy.

A small marker along State Route 90 shows where the Mormon Battalion fought is "Battle of the Bulls" during the Mexican-American War.

Sunset Point remains one of our most popular rest areas. And when we unveiled it nearly 50 years ago, it made a big impression countrywide.

Within 24 hours of launching our Safety Message Contest, we’d received more than 1,400 entries. After 48 hours the total number of submissions had climbed to 2,000.

For anyone passionate about keeping state highways clean, there's now a social media hashtag just for you.

This week's challenge takes you to a popular spot that's sure to be well-traveled this summer.

Sparks from dragging chains, underinflated tires and tossed cigarettes can and do start fires along state highways. Here's how you can help.

Same road, same rules, same rights and responsibilities. We offer tips on how bikes and cars can co-exist safely.