ADOT Blog | Department of Transportation

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AAH four volunteer collage

06/30/2026

Adopt a Highway: Save the date for National CleanUp Day

We're gearing up for ADOT's annual statewide cleanup held on National CleanUp Day. Register your volunteer group to participate or let us know if you'd like to adopt your own section to help keep Arizona grand throughout the year.

Yellow truck in front of sign that says "Ash Fork Route 66"

06/24/2026

ADOT’s little yellow truck celebrates Route 66 centennial

The Arizona Department of Transportation is taking part in Route 66 centennial celebrations and our 1959 Chevy Apache pickup truck was a crowd favorite at the recent Ash Fork Heritage Day, which also celebrated the centennial.

06/21/2026

PODCAST: Big improvements set to begin between Maricopa and I-10

Laura Douglas, our lead communicator on the upcoming State Route 347 improvement project, talks with guest host Marcy McMacken about much-anticipated changes set to occur on SR 347, including the addition of a third travel lane in each direction.

Popular blog articles

Old photo of tunnel and people wearing hard hats

08/12/2015

From the Archives: Deck Park drainage tunnels

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.

Aerial photo of I-10 Deck Park Tunnel soon after opening

08/10/2015

The Deck Park Tunnel turns 25 today

Do you know what you were doing 25 years ago today?

08/07/2015

Traffic Incident Management helps to clear incidents, reduce congestion

Traffic Incident Management is valuable because every minute counts when responding to the scene of a traffic incident.

Cars drive through a wide, well-lit tunnel with multiple lanes; bright light is visible at the tunnels distant exit.

08/06/2015

Happy 25th birthday, Deck Park Tunnel!

Twenty-five years ago, the last segment of Interstate 10 was completed and it happened in Phoenix.

Red light

08/04/2015

Safety is the goal during National Stop on Red Week

National Stop on Red Week aims to educate drivers about the dangers of red-light running and to reduce the number and severity of crashes.

07/30/2015

ADOT expands hours and days when travel times are displayed above Phoenix-area freeways

Message boards are now displaying the estimated travel times seven days a week, from 5 a.m. to 11 p.m. weekdays and 7 a.m. to 9 p.m. on weekends.

07/29/2015

US 89 improvement underway south of Page

Crews are working on improvements to an eight-mile segment of US 89, about 30 miles south of Page.

07/24/2015

Adopt a Highway volunteers keep roadways beautiful

The Adopt a Highway program is an opportunity for community members to help keep our highways litter free.

07/23/2015

Hell Canyon bridge replacement project is underway

ADOT is working to construct a wider bridge while limiting SR 89 traffic impacts during construction.

07/17/2015

Work on Loop 101 widening project continues

It’s been a while since we last checked in on the Loop 101 widening project, so we thought we’d take a look and see how work is progressing.