| Department of Transportation

Quarterly volunteer adoptions background

Meet the volunteers beautifying Arizona roadsides

These are just a few examples of the efforts made by our growing team of volunteers. See who's volunteering in your community and the accomplishments already being made to reduce litter.

Website poster for ways to tour Route 66

Route 66 centennial: Ways you can join a year of celebration

While Route 66 was officially decommissioned in the 1980s and replaced in Arizona by I-40, its centennial is a big deal for those of us in the highway business. In this post, we're pointing you to some of the ways Arizona cities and towns are celebrating:

State Route 51 near Northern Avenue in Phoenix (ADOT photo)

5 March 2026

SR 51 pavement improvement project set to begin March 13

A project to improve the pavement surface along State Route 51 between the Interstate 10 “Mini-Stack” interchange and Shea Boulevard in Phoenix is scheduled to start the weekend of March 13-16. Learn

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Crews are scheduled to mobilize for the intersection improvement project

The Arizona Department of Transportation advises motorists to plan ahead for vehicle width restrictions on US 95 in Yuma.

North- and southbound US 95 between Imperial Dam Road and Aberdeen Road will have a 12-foot width restriction in place for 24 hours a day, 7 days a week, beginning Monday, March 2 through the end of 2026.

Contractors are scheduled to work on the shoulder of the road and install traffic control equipment.

Drivers should proceed through the work zone with caution, slow down and watch for construction and law enforcement personnel and equipment.

4 March 2026

Heads up: Another scam text claims you owe for an unpaid ticket

Please ignore these texts, which feature a graphic laced with enough bad grammar, botched punctuation, tortured syntax and errors of fact to enrage your favorite English teacher. And please do not

Map showing the I-10 project area near East Globe, Arizona, from milepost 256 to milepost 259.5

US 70: Milepost 256 to Old San Carlos Road Lighting Project

The Arizona Department of Transportation is scheduled to begin a roadway lighting project spring 2026 on US 70 located east of Globe (mileposts 256-259).

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Map showing a project area highlighted in orange along US 160 from milepost MP321 near Tuba City and Moenkopi to milepost MP335 within Navajo Nation. A legend identifies the project area and mileposts, and the map notes it is not to scale.

US 160 Pavement Preservation: Tuba City

Project cost: $20.5 million

The Arizona Department of Transportation, in cooperation with the Navajo Nation and Hopi Tribe, has initiated a pavement preservation project along US 160 near Tuba City (mileposts 321-335).

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Map showing a project area highlighted in orange along Route 64 between mileposts MP185 near Interstate 40 by Williams and MP205 near Pipeline Road, with Flagstaff indicated to the east. A legend marks the project area and mileposts, and the map notes it is not to scale.

SR 64: I-40 to Pipeline Road Pavement Preservation

Project cost: $33,000,000

The Arizona Department of Transportation has initiated a pavement preservation project along State Route 64 between I-40 in Williams and Pipeline Road (mileposts 185-205).

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2 March 2026

Public comment begins for Tentative Five-Year Construction Program

The Arizona Department of Transportation is targeting pavement improvements and expanding several key highways in the $9.85 billion Tentative Five-Year Transportation Facilities Construction Program

PODCAST: Big Loop 303 improvements underway in the North Valley

Joe Heller, our resident engineer on a big project getting underway in the North Valley, joins On the Road With ADOT this week to explain what's coming over the next two and a half years, including a flyover ramp connecting northbound I-17 with Loop 303.

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