Everybody knows that humans cause fires. It’s also true that only humans can prevent fires.

A recent case illustrates how ADOT detectives assist other law enforcement agencies, even after hours.

We hope you're not too relaxed this holiday weekend to play "Where in AZ??"

How many songs in your collection involve some aspect of transportation? You may be surprised.

It sounds like something Forrest Gump would say: Bridges are like icebergs – you never know what you really have.

A 1978 photo from the ADOT archives shows Motor Vehicle Division inspectors, the precursors to Enforcement and Compliance Division officers today, working at the US 66 port of entry in Kingman.

ADOT is seeking more volunteers to help clear litter from state highways.

This week's "Where in AZ??" challenge showcases the beautiful Arizona sky.

After her first Adopt a Highway cleanup along US 60 near Wittman, an ADOT employee describes the experience and what inspired her to volunteer.

A new website allows you to learn many of the improvements ADOT has made using the Arizona Management System.

Here's why tying down your loads is a must.

Building a bridge requires quite a bit of weightlifting when it comes to setting girders that will carry the deck and traffic.

Think twice next time you roll down your window to toss that piece of garbage. It can interfere with freeway drainage systems during monsoon storms.

We have another challenge for you in this week's "Where in AZ??"

Signs will direct you to I-40 Exit 123, which connects to and from the Old Route 66 community.

As we reported this week, results from the I-17 wrong-way detection and warning system have been promising.

Acclaimed midcentury Phoenix architect Fred Guirey along with J. Harold MacDowell designed the ADOT administration building at the southwest corner of Madison Street and 17th Avenue.

Downtown Phoenix looks dramatically different than it did 30 years ago, however you may still recognize a few landmarks.

ADOT Director John Halikowski spends a day learning about ADOT's Enforcement and Compliance Division as part of an effort to improve all aspects of the agency.

Our "Where in AZ??" challenge includes a body of water this week. Join our challenge on social media!