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Loop 303 project
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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AAH volunteer group
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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Popular blog articles

State Route 67 passing sign for Kaibab National Forest
05/10/2018

SR 67 set to open for North Rim seasonal visitors

After hibernating for the winter, State Route 67 reopens May 15 from Jacob Lake to the Grand Canyon North Rim.
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Highway at night
05/09/2018

Focus on Driving: May leads all months for impairment-related crashes

Many variables affect this, but long the holiday weekend and various celebrations are contributing factors.
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05/08/2018

Big step forward for I-10 widening project as first pavement goes down

It's one of two projects that will make the interstate three lanes in each direction between Tucson and Casa Grande.
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05/07/2018

Marine mom honors son by adopting a stretch of State Route 79

Quick action by ADOT employees made a mother's day.
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Highway potholes
05/04/2018

I-17 northbound into Flagstaff getting much-needed TLC

ADOT is replacing pavement on northbound Interstate 17 in the high country.
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Multiple emergency response vehicles are parked in a large open lot under a blue sky with scattered clouds.
05/03/2018

ADOT, law enforcement agencies band together during propane leak

Teamwork among agencies including ADOT helped bring a quick end to a propane leak at the border in Douglas.
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05/02/2018

Plan ahead if you're heading north on I-17 and then west on I-40

The transition ramp from Interstate 17 northbound to Interstate 40 westbound is closed for construction until the end of the year.
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Vintage vehicles on old Route 66
05/01/2018

Route 66 roadies to merge into Seligman, then head west for road rally

The annual Fun Run will bring hot rods and rust buckets alike to Route 66.
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04/30/2018

From the Director: Let's talk trash

Hundreds of volunteers help keep Arizona's highways clean every year, saving the taxpayers money and keeping Arizona beautiful.
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Visitors learn about wrong-way detection technology at ADOT Traffic Operations Center
04/27/2018

#FridayFive: Hollywood movie starts, nosy pooches and wrong-way detection

We're going gaga over a nosy pooch, remembering one of Hollywood's greats and his visit to the Valley and leading the way in wrong-way detection technology for this week's Friday Five.
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