The Arizona Department of Transportation has reached the halfway point on its $600 million Interstate 10 reconstruction project between Kino Parkway and Alvernon Way, marking a major milestone in what officials call the largest highway construction project in Southern Arizona history.
The three-mile project, which began in June 2025, is designed to reduce congestion and improve safety by widening I-10 to three lanes in each direction, rebuilding existing interchanges and adding new connections along one of Tucson’s busiest freeway corridors.
“ADOT has good news for drivers who use I-10 southeast of downtown Tucson,” ADOT spokesman Garin Groff said…