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A concrete bridge with large support beams spans a deep red rock canyon under a cloudy sky.
02/10/2026

Waterhole Canyon Bridge is out-of-this-world

An odd-looking bridge in Northern Arizona is a gateway to some of Arizona's most spectacular scenery.
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Samaritans Adopt a Highway Volunteers
02/09/2026

All the Way to the Border cleanup sees 100 volunteers

Hospitality and community support fuel Melissa Owen's 11th annual cleanup to reduce trash along State Route 286.
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On the Road With ADOT logo
02/06/2026

PODCAST: Loop 101 Pima improvements complete; pavement upgrade coming

Joe Heller, ADOT's resident engineer in charge of the recently completed Loop 101 (Pima Freeway) project, visits On the Road With ADOT to discuss this $108 million improvement and a coming project there to use diamond grinding to provide a smooth, durable driving surface.
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Popular blog articles

ADOT and NAU biologists work to protect endangered species in the river bed of the Verde Valley Bridge Interstate I-17
04/04/2022

ADOT, NAU biologists work to protect endangered species while improving Verde River bridges

Learn about how wildlife species are protected along the Verde River when construction activities occur nearby.
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Banner image showing “2023-2027 Five-Year Transportation Facilities Construction Program (Tentative)” with photos of roads, construction equipment, and infrastructure projects.
03/31/2022

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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Black and white image of a model of the Superstition Freeway
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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ADOT maintenance crew member collecting litter along Maricopa County freeways
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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Crash debris on freeway of vehicle into attenuator
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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Adopt a Highway volunterrs pose along highway.
03/01/2022

Volunteers Return to Highway Cleanups in 2021

Volunteers collected 14,400 bags of trash in 2021, which totals about 197,000 pounds.
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