ADOT Blog

Latest blog articles

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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08/02/2026

PODCAST: Learn more about the brand new Loop 303 construction project south of I-10 in Goodyear

Senior Resident Engineer Jimmy Naujokaitis is On the Road with ADOT, talking to host Doug Nintzel about early work and what to expect as this Loop 303 construction advances over the next several years.

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Friday Five: Spring snow, small boats and new pavement

This week we tracked the progress of the Loop 202 South Mountain Freeway, spotted a surprise spring snowstorm and announced paving projects in northern Arizona.

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Black and white historic image of SR 179 with vehicles

03/29/2018

Throwback Thursday: SR 179 Red Rock Scenic Byway

State Route 179 threads through Sedona's stunning Red Rock Country. The highway is about 15 miles long, stretching from Interstate 17 north of Camp Verde to Sedona.

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03/28/2018

Join us as we present options for adding capacity to I-17 north of Valley

ADOT will take your questions and comments on options for improving traffic flow on I-17 north of the Valley.

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Interchange under construction for South Mountain Freeway

03/27/2018

Extended Southern Avenue closure paves way for South Mountain Freeway

On Monday, traffic returned to Southern Avenue between 61st Avenue and 64th Drive in Laveen.

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03/26/2018

From the Director: Permit Test @ Home is part of MVD's commitment to safety

Like many new things, ADOT's innovative “Permit Test @ Home” service has aroused some skepticism. We believe it helps get Arizona out of line and safely on the road.

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