ADOT Blog

Latest blog articles

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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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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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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From the Director: It’s your turn to vote on safety messages!

We don’t need an Academy or selfie-taking accountants to tell us who has the best safety message.

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03/09/2017

Throwback Thursday: Just two trucks, lots of horses for the 1915 Arizona Highway Department

Fading photos from ADOT's archive show how the Arizona Highway Department built and maintained roadways not long after statehood.

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03/08/2017

Better safe than sorry when enjoying spring on two wheels

Spring usually brings out motorcyclists and bicyclists, making this a good time for safety reminders.

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03/07/2017

Social media making commercial traffic more efficient at international ports

A popular app is helping truckers on both sides of the U.S.-Mexico border as well as ADOT inspectors.

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A two-lane highway with a double yellow line runs through a desert landscape with red rock formations under a blue sky. A road sign and small buildings are visible in the distance.

03/06/2017

The results are in: Here’s how you rank transportation funding priorities

Survey says...expansion and preservation are important Arizona transportation priorities. Find out what else we found out from a recent online survey.

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