ADOT Blog

Latest blog articles

10/05/2025

PODCAST: Traffic engineering's role in safely connecting Arizonans

Where do speed limits come from? How are highways engineered, signed, striped, etc., to maximize safety? To explain these and other aspects of state highways, we're pleased to have State Traffic Engineer Kerry Wilcoxon as this week's On the Road With ADOT guest.

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10/01/2025

Volunteers bag 1.8 tons of litter on National CleanUp Day

See Adopt a Highway volunteers across Arizona caught in the act on National CleanUp Day 2025.

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09/30/2025

September recap: Specialty Plate Spotlight

ADOT has more than 100 specialty license plates featuring a range of worthy causes or charities. To boost awareness, we showcase one specialty license plate each week on social media. We call this the "Specialty Plate Spotlight" and here are the plates that were featured in September.

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Your input is important to ADOT’s planning and programming process

The Arizona State Transportation Board values the input from the public in deciding which projects get approved for inclusion in the Five-Year Program. It is a good time to remind you that our Five-Year plan isn’t just about highways.

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03/28/2022

Meet the Interstate 10 Broadway Curve Improvement Project team members featured in new safe-driving Public Service Announcement

A new safety campaign aims to reduce the number of crashes in the 11-mile work zone for the Broadway Curve Improvement Project.

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03/24/2022

Throwback Thursday: The very model of a modern major freeway

Freeway models are used to show the public what a future highway may look like. This one is from the late 1960s.

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03/21/2022

Adopt a Highway: Arizona Game and Fish volunteers preserve highway habitat

Volunteers from Arizona Game & Fish Department participate in highway clean-up in southern Arizona.

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03/16/2022

ADOT crews cleared more than 800 tons of litter in Maricopa County in 2021

ADOT crews collected 800 tons of litter in 2021 along Maricopa County freeways. That’s a lot of litter and also a 47% increase in the amount of litter picked up in 2017.

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03/14/2022

Chronicling the Old MVD Building’s 100 years

Take a 100-year journey through ADOT's Old MVD Building.

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03/07/2022

'All the Way to the Border' cleanup attracts national attention

Melissa Owen's annual "All the Way to the Border" cleanup celebrated a comeback as 101 volunteers returned to collect litter along 45 miles of State Route 286, between Three Points at State Route 86 to Sasabe at the Arizona-Mexico border.

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03/03/2022

Attenuating circumstances: It’s time to pay attention to attenuators

Whether fixed- or truck-mounted, attenuators are designed to absorb the impact of a crash, protecting workers and helping to reduce injuries to motorists and damage to vehicles.

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