What could be better than learning about one ADOT project improving the Loop 101 in the Phoenix area? That would be learning about TWO projects improving Loop 101. 
Arizona Transportation Institute logo
A new research partnership between the Arizona Department of Transportation and the state’s three public universities will help keep ADOT at the forefront of innovation, nurture a new generation of

We move onto the Loop 101 Price Freeway for yet another installment of “How highway cross streets got their names.”

Loop 101 first opened in Glendale in 1988 and it wasn’t until 14 years later and 17 different sections, the entire 61-mile freeway was completed.

nogales port its installation map
I-10 Nogales South Sign
Construction work at I-10 Nogales

Overview

The Arizona Department of Transportation began a project in April 2025 to install and connect Intelligent Transportation System (ITS) devices to the high-speed fiber optics cable along Interstate 19 starting at milepost 2, near the Nogales Port of Entry to just south of Interstate 10

New roundabout on US 93 at Vulture Mine Road
ADOT has transformed 5 miles of US 93 from two lanes to four-lane divided highway in Wickenburg. It's part of a long-term vision to transform the entire 200-mile section of US 93 from Wickenburg to

Photo Courtesy: Arizona Humane Society

ADOT employee Rich Dimaio was driving on Interstate 10 in west Phoenix recently when he saw a woman who had pulled over and was trying to catch a kitten.

An Incident Response Unit truck in front of a building.

PHOENIX – Imagine that you’ve been in a car crash involving two vehicles, both of which are no longer driveable and remain in highway travel lanes. Cars are speeding past in other lanes and you need

During Crash Responder Safety Week, which runs from Nov. 18-22, you may notice a traffic safety message about Arizona’s “Move Over” law displayed on our overhead message signs.

Laura Douglas, our communications led on this major project, shares with host Doug Nintzel how crews continue paving various sections of the 23-mile project corridor, while also focusing on the bridge work, earthwork and, most recently, installation of the flex lanes technology. 

Traveling north on US 93 past Kingman is an old mining town called Chloride.

At one point in the town's history, there were over 75 working mines. Today, the number is unknown and they are either privately owned or controlled by the federal government.