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Just as construction to upgrade N20 begins, ADOT is wrapping up its geotechnical investigation at the US 89 landslide site…

Drivers who have been impacted by the closure on US 89 might be happy to know that work is beginning on Navajo Route 20… That means crews soon will start paving the mostly dirt road so it can (in a few months) serve as an interim detour route until repairs are finished on US 89.

When construction wraps up on SR 24 later this year in southeast Mesa, the new freeway will span one mile between Loop 202 and Ellsworth Road. Known also as the Gateway Freeway, SR 24 certainly will help alleviate traffic congestion in the area. However, that’s not the only reason why this project is valuable to the East Valley...

Here we are, blogging about pavement … again! When we told you there’s a lot to learn on the subject, we weren’t joking ...

Things have come a long way in the two months since a landslide buckled part of US 89 south of Page…

The proposed Loop 202 South Mountain Freeway has a history that dates back to 1985, but we’re not going to blog about the project’s timeline today …

At this year’s Safety Partnering Roadeo, which was held March 26-27 at the State Fairgrounds facility in Phoenix, ADOT welcomed more than 400 people to participate in over 66 classes and various safety/training events …

Even though there’s a stretch of US 89 that’s not open, the businesses and communities surrounding the closure most definitely are ...

We posted a clip on YouTube last week that shows crews demolishing the old Pantano Union Pacific Railroad Bridge. Because it’s a time-lapse video, you can watch all the work being completed in under a minute…

There’s something really simple you can do to help prevent a serious danger out on our highways and roads – want to know what it is?

Check out this video. Not only does it give an up-close look of what’s happening at the US 89 site, it also provides us with a few new, interesting geotechnical terms, including inclinometers, extensometers, LiDAR and DTM ...

By now, many of you have probably already seen photos of US 89 … A 150-foot section of the road “buckled” yesterday morning (Feb. 20) in an area about 25 miles south of Page – the cause of the highway damage may have been a geologic event ...

The Munds Park traffic interchange on I-17 has come a long way since we first checked in on construction...

As you can see in the video above, girders are the concrete and steel beams that enable the bridge to support the roadway and the vehicles on top of it. They’re vital to the design of a bridge, but not all girders are the same…

A different sight greeted the staff at the Grand Canyon National Park Airport on Dec. 3 when instead of tourist helicopters, two U.S. Marine Corps CH-46E Sea Knight helicopters landed to engage in their annual mission to deliver toys and food to members of the Havasupai Tribe who live at the bottom of the canyon ...

As you can see in the video, applying for and receiving a Class C permit from ADOT isn’t just a formality – it’s a critical step that helps ensure safety on the state’s roads.

Public involvement truly helps shape ADOT projects … just ask residents living near the San Pedro River Bridge

To say that ADOT crews were busy Tuesday would be a bit of an understatement. Heavy overnight and morning rains across the state started the day off with extremely slow commutes throughout the metro areas … but nothing like the messes that would happen later in the day …

Here we are, past the halfway point on the I-17/Cordes Junction interchange project and it’s clear that work is really moving along! At least, it’s clear if you drive the area frequently, or if you watched this video back in February. Crews have been busy since then, as you can see above.

ADOT installed the 160-ton, 600-foot long bridge over two nights in June next to the Central Arizona Project (CAP) canal.