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AAH four volunteer collage

Adopt a Highway: Save the date for National CleanUp Day

We're gearing up for ADOT's annual statewide cleanup held on National CleanUp Day. Register your volunteer group to participate or let us know if you'd like to adopt your own section to help keep Arizona grand throughout the year.
Map of SR 79 passing lane project
29 June 2026

ADOT to construct passing lanes on SR 79 north of Florence

The Arizona Department of Transportation will begin a project in early July to construct passing lanes along an 8-mile segment of State Route 79 north of Florence. 
Image of smooth, fresh-paved road
26 June 2026

Project Spotlight: SR 79 pavement rehabilitation project completed

Phoenix – The Arizona Department of Transportation has completed a pavement rehabilitation project along State Route 79. The finished project will provide Arizonans with a smoother drive between

911

The Arizona Department of Transportation advises drivers that alternating lane restrictions on north- and southbound State Route 387 between Viola and Saguaro streets (mileposts 1-2) in Casa Grande scheduled from 8 a.m. to 4 p.m. through the end of August, as part of the State Route 387 (Pinal Avenue) and Viola Street, High Intensity Activated Crosswalk (HAWK) project have been postponed and will be rescheduled at a later date.

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Interstate 10, California/Arizona Border to Dome Rock Road Pavement Rehabilitation Project Map

Interstate 10, California/Arizona Border to Dome Rock Road Pavement Rehabilitation

The Arizona Department of Transportation is tentatively scheduled to begin a pavement rehabilitation project on Interstate 10, between the California/Arizona border and Dome Rock Road in La Paz County in late fall 2026.

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US 191: Milepost 132 to 135 Passing Lanes Project Map
US 191: Milepost 132 to 135 Passing Lanes Project
US 191: Milepost 132 to 135 Passing Lanes Project Photo

US 191: Milepost 132 to 135 Passing Lanes Project

The Arizona Department of Transportation is constructing passing lanes on north- and southbound US 191 between mileposts 132 and 135 in Graham County.

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Yellow truck in front of sign that says "Ash Fork Route 66"

ADOT’s little yellow truck celebrates Route 66 centennial

The Arizona Department of Transportation is taking part in Route 66 centennial celebrations and our 1959 Chevy Apache pickup truck was a crowd favorite at the recent Ash Fork Heritage Day, which also celebrated the centennial.
Amber LED lights at I-40 and Country Club in Flagstaff (courtesy of Stephen Williams)
23 June 2026

ADOT completes ‘Dark Skies’ LED lighting project in Flagstaff

ADOT has completed installation of amber LED highway lights in the Flagstaff area in support of both roadway safety and the city’s internationally recognized commitment to dark skies.
File photo of I-17
22 June 2026

Transportation Board OKs update to five-year construction program

The State Transportation Board has approved the 2027-2031 Five-Year Transportation Facilities Construction Program, which emphasizes pavement and bridge improvements and expanding several key highways
I-8 and I-10 Queue Warning System and DMS Installation Map

I-8 and I-10, Queue Warning System and DMS Installation

The Arizona Department of Transportation is starting a project to install Queue Warning  and Dynamic Message Board systems and flashing beacons on Interstate 10 and I 8 within La Paz and Maricopa counties.

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