Eastbound I-10 Traffic Switching to New Lanes This Weekend in Tucson

Arizona I-10 Traffic | Arizona I-10 Construction | I-10 Exit Guide

The Arizona Department of Transportation reports that drivers heading from Marana toward downtown Tucson will begin using the new eastbound lanes of Interstate 10 at Ruthrauff Road this weekend.

On Friday evening, November 13, crews with the Arizona Department of Transportation began moving eastbound traffic to the new eastbound lanes as part of a nearly two-year project to rebuild the I-10/Ruthrauff Road interchange. The traffic shift is expected to be completed the morning of Saturday, November 14.

The I-10/Ruthrauff Road interchange project, which remains on schedule and approaching the halfway point, will add a lane in each direction to I-10 and a bridge to carry Ruthrauff Road over the Union Pacific Railroad tracks. The improvements will allow traffic to move more smoothly through the area while enhancing safety.

Westbound I-10 traffic is tentatively scheduled to switch to the new eastbound pavement the night of Friday, November 20.

ADOT will maintain three lanes of travel in each direction until the project is completed in late 2021. When the project is finished, I-10 will have four lanes in each direction and Ruthrauff/El Camino del Cerro will have two lanes in each direction. Also, reconstructed frontage roads will connect to the elevated interchange.

ADOT is overseeing the $129 million project, which began in early January. Ruthrauff/El Camino del Cerro will reopen across I-10 in summer 2021, with work continuing through the year to connect frontage roads and ramps. ADOT is maintaining access to area businesses throughout the project.

The project is part of the Regional Transportation Authority’s roadway improvement plan, managed by the Pima Association of Governments.

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