<body><div>A new interchange opened at the start of the Monday morning commute, with traffic now flowing on and off Interstate 10 at Country Club Road. <figure><img src="https://img.particlenews.com/image.php?type=thumbnail_580x000&amp;url=4Dw8Cf_1GvKAymV00" alt="https://img.particlenews.com/image.php?url=4Dw8Cf_1GvKAymV00" width="1280" height="853" ></figure>The interchange’s opening is another milestone on the larger $600 million project to reconstruct and widen I-10 from Kino Parkway to Alvernon Way southeast of downtown Tucson. The interchange is more than just a new connection, as it’s a relatively new kind of interchange for Southern Arizona. This type, a diverging diamond interchange, has one major difference from standard diamond interchanges common around Arizona: Local street traffic makes a temporary shift to the left side while crossing the freeway, allowing for direct left turns onto entrance ramps without waiting at an additional traffic signal.This is the second diverging diamond in Southern Arizona, following one that opened in Nov. 2021 at I-10 and Houghton Road in east Tucson. The Country Club Road interchange replaces the former Palo Verde Road interchange, which closed earlier this year. The interchange location was shifted to Country Club Road to allow for safer traffic movement to and from I-10. Work began in June 2025 with the goal of reducing delays and enhancing safety. Major project features include adding a third lane in each direction of I-10 and building two interchanges. The project, considered the largest highway construction project in Southern Arizona history, will include:<ul><li>Widen I-10 to three lanes in each direction between Kino Parkway and Alvernon Way with auxiliary lanes</li><li>Reconstruct the interchange at Kino Parkway as a diverging diamond interchange</li><li>Construct a new interchange at Country Club Road that will provide access for traffic that currently uses the interchange at Palo Verde Road to allow for safer traffic movements to and from I-10</li><li>Remove the existing interchange at Palo Verde Road</li><li>Construct a new westbound on-ramp at the Alvernon Way interchange</li><li>Construct an I-10 undercrossing to connect the North and South Kino Sports Complex</li></ul>Throughout the project, ADOT will maintain two lanes of travel in each direction on I-10 during peak travel times while maintaining access to businesses. Construction is expected to continue through 2028. The project is the first to result from a study completed in 2020 that recommended how to best improve mobility along a roughly 10-mile stretch of I-10 from I-19 to Kolb Road. The study also identified an alignment for an extension of State Route 210 (Barraza Aviation Parkway) along Alvernon Way that will connect I-10 to downtown Tucson. For more information, please visit I-10KinotoCountryClub. </div></body>

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A new interchange opened at the start of the Monday morning commute, with traffic now flowing on and off Interstate 10 at Country Club Road. The interchange’s opening is another milestone on the larger $600 million project to reconstruct and widen I-10 from Kino Parkway to Alvernon Way southeast of downtown Tucson.

Tucson Opens New $600M I-10 Project Interchange

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A new interchange opened at the start of the Monday morning commute, with traffic now flowing on and off Interstate 10 at Country Club Road. The interchang

Tucson Opens New $600M I-10 Project Interchange

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