Crashes and fatalities involving drivers under the influence of drugs or medications are on the rise.

If you're headed to Lake Havasu City or planning a day on the river, make sure you take traffic restrictions on SR 95 into account.

This sign is a clue to our "Where in AZ??" Facebook challenge, but not the answer!

You've probably heard about the new ADOT app for unplanned major traffic incidents. Now we have tips to fine tune the app to suit your needs.

The Ina Road interchange was progressing without any surprises until a furry visitor make an unexpected appearance.

Drivers taking I-17 this holiday weekend are urged to avoid driving distracted, obey speed limits and make smart decisions behind the wheel.

This sign is a sure clue to the correct location in our "Where in AZ??" Facebook challenge.

What processes 2.6 million vehicle registration renewals each year and is celebrating a birthday? It's ServiceArizona.com.

Think you know the best course of action when you encounter an incident on the highway? Take our quiz and find out.

Our blog series "From the ADOT Archives" takes you back to downtown Phoenix in 1960.

National Traffic Incident Management Week is here and it's important to know what to do in a minor crash, both for your safety and others on the road.

If you're an avid Arizona traveler, then this challenge is for you!

In Maricopa, leaders from the city, ADOT, the Federal Highway Administration and elsewhere broke ground on an SR 347 project that will improve mobility and safety.

Before there were dune buggies, cars used a wooden boardwalk to cross sandy stretches near Yuma.

If you've ever wondered why you see unconventional safety messages on ADOT's electronic message boards, today's blog has the answer.

Join our Sunday Facebook challenge and pinpoint a spot in Arizona from a photo.

The "Honeymoon Trail" is just as romantic and picturesque as it was more than 100 years ago.

ADOT has done the research and analysis, but now we need from you about the long-range transportation plan.

In just one year the ADOT Border Liaison Unit has made strides in training truckers and improving safety.

Each year it's a good idea to brush up on winter travel safety.