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Construction occurs on a highway.
09/17/2025

Bridge girder placement another sign of progress on US 93 widening project

Two bridges under construction on US 93 north of Wikieup didn’t look much like bridges until recently, as they were little more than concrete piers jutting up from a dry wash. That all changed rapidly in the past few weeks, as crews lifted...
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A digital message board on the highway encourages motorists to drive with care
09/16/2025

ADOT’s Safety Message Contest returns for the ninth year

It’s back! I’m excited to announce that ADOT’s Safety Message Contest is now open and accepting submissions. Arizonans can submit their engaging traffic safety messages through Sept. 22 at azdot.gov/SignContest. This contest, now in its...
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Navajo Bridge viewed from the Colorado River
09/14/2025

PODCAST: We're looking back 30 years to the dedication of (new) Navajo Bridge

This week's guest and host on ADOT's podcast were at the Sept. 14, 1995, dedication of a new Navajo Bridge spanning Marble Canyon on US 89A. Thirty years later, they share their memories.
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04/01/2015

Congressional proposal formally extends I-11 to Southern Arizona

Senators McCain and Flake recently introduced a bill that connects Arizona border to border with new interstate.
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03/31/2015

US 89 south of Page repaired and open to traffic

At about 4:15 p.m. on Friday, March 27, US 89 south of Page was reopened to traffic for the first time following the 2013 landslide that caused major damage to the roadway.
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03/26/2015

Truck escape ramps serve important safety role

Our new video illustrates how truck escape ramps can effectively stop a vehicle that has lost use of its brakes.
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03/25/2015

From the Archives: Work Zone Safety in the 60s, 70s and 80s

For as long as there have been roads, there have been work zones.
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03/23/2015

National Work Zone Awareness Week begins today

Driving with caution through a work zone will not only help to protect road crews, but it will also help to ensure your safety.
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03/20/2015

Tentative Construction Program is ready for public comment

We want your feedback on the Tentative Five-Year Construction Program, a plan that helps ADOT to prioritize projects.
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03/18/2015

Check it out: Loop 101/90th Street bridge time lapse

On Feb. 28, 2015, ADOT lowered a newly built bridge four feet to its final position.
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03/17/2015

From the Rearview Mirror: Green Dirt

Originally published on March 16, 2012, this post talks about why ADOT sometimes “paints” dirt green.
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03/12/2015

US 89 landslide repair project is nearly complete

US 89 is scheduled to reopen this month following a landslide in 2013, weather permitting.
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03/11/2015

South Mountain Freeway receives final federal approval

The Loop 202 South Mountain Freeway has received final approval from the Federal Highway Administration, which means ADOT can now move the project forward.
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