Interchange

04/27/2023

I-10 Diverging Diamond Interchange open at Watson Road in Buckeye

ADOT opens second such interchange built during I-10 widening

Drivers in the West Valley can now use the second I-10 Diverging Diamond Interchange (DDI) to be constructed as part of the Arizona Department of Transportation’s ongoing freeway widening project in...

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01/25/2021

In Tucson, a wider Houghton Road bridge starts coming into view

The Houghton Road interchange project at I-10 near Tucson has been in the works for awhile, but this photo will help you get a sense of the scope of the project.

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01/08/2021

Gilbert holds groundbreaking for L-202 Lindsay Road interchange

A new interchange is coming to the Loop 202 Santan Freeway and Gilbert just kicked off the construction in style while still being safe.

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10/27/2020

I-10/Houghton interchange work moving quickly to reopen ramps

The project to bring southern Arizona its first diverging diamond is moving fast, both to complete the work and to minimalize impact for drivers.

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09/23/2020

Adelante Nogales via SR 189

A part of ADOT employee Gaby Gonzalez Kemp's heart will always be in her hometown of Nogales. That's why she is glad to see the improvements coming to State Route 189.

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09/16/2020

Bridge girders a big sign of progress at I-10 and Ruthrauff

If you are driving on I-10 in Tucson, you see the major progress happening at the Ruthrauff interchange.

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08/21/2020

Houghton Road interchange replacement project set to begin

PHOENIX – An entirely new kind of traffic interchange for southern Arizona will start to take shape Monday, Aug. 24, as the Arizona Department of Transportation begins work on a project to improve...

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01/31/2020

Driving Safety Home: DDIs designed to improve traffic flow, safety

State Engineer Dallas Hammit talks about the new half diverging diamond interchanges on the Loop 202 South Mountain Freeway and what they mean for safety.

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01/13/2020

Another interchange upgrade is underway in the Tucson area

As with other recent interchange projects, I-10 and Ruthrauff Road is getting a bridge carrying local traffic across the freeway and railroad tracks.

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10/11/2018

ADOT project rebuilding stretch of I-40 wins national award

An Arizona Department of Transportation project that’s rebuilding 5 miles of Interstate 40 near Williams has been ranked in the nation’s top 10 by Roads & Bridges, a construction industry publication...

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