ADOT Blog

Latest blog articles

08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...

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Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.

08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...

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08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.

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Why 178? A guide to interstate exit numbering

Have you ever wondered why 411th Avenue in Tonopah is Exit 95 off Interstate 10? Or why if you are turning on to Dragoon Road in southeastern Arizona you take Exit 318? Or how about using Exit 67 to get to Dateland from Interstate 8, or...

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08/29/2019

Throwback Thursday: Tracking ADOT's office technology

From typewriters to computers, pen-and-ink maps to satellite imagery, ADOT's office tech has evolved a lot in the past few decades.

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A man in glasses and a blue shirt stands next to a display of printed photos showing decorative wall designs and murals.

08/28/2019

ADOT freeway landscape designer wins lifetime achievement award

ADOT’s Joseph Salazar was honored recently with a lifetime achievement award from the American Society of Landscape Architects Arizona Chapter. Salazar, who has been with ADOT for almost 30 years and serves as landscape architectural...

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I-10 at Jimmie Kerr Blvd. overpass, car and green sign

08/26/2019

Four miles down, four to go on I-10 between Casa Grande and Tucson

The drive between Phoenix and Tucson has gotten a little bit better, and another improvement is just weeks away. That’s because an ADOT project has provided three lanes in each direction on a 4-mile section of Interstate 10 in Casa Grande...

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08/23/2019

Flashback Friday: Sign of the times

More than 30 years ago, the Black Canyon Freeway saw the first digital message boards installed.

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Brown road sign reads: 60 Governor Rose Mofford Memorial Highway against a blue sky.

08/22/2019

New signs on US 60 east of Valley honor Governor Rose Mofford

These signs along two stretches carry a designation recently approved by the Arizona State Board on Geographic and Historic Names.

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08/21/2019

eTitle part of MVD blazing trail for better, quicker service

The Motor Vehicle Division is making great strides to get people out of line and safely on the road, the most recently recognized is the eTitle program.

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Arizona Department of Transportation pickup truck

08/19/2019

ADOT 'angel' helps stranded motorists

Shelli and Al Ortman of Yucca were headed to a doctor’s appointment in Lake Havasu City when their trip was suddenly cut short. ADOT employee Jeff Baumeister came to their aid.

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