Motorists will begin driving on a newly constructed section of Interstate 10 this weekend as the Arizona Department of Transportation makes major progress on a project to widen 3 miles of the freeway southeast of downtown Tucson.
Traffic is being shifted in the next few days onto 1.3 miles of new concrete pavement from Park Avenue to Country Club Road, a milestone on a $600 million project to reconstruct and widen I-10 from Kino Parkway to Alvernon Way.
The project is now 40% complete. Major work so far includes installing 82 bridge girders at five locations through the project area, constructing abutments for the new Kino Parkway bridge over I-10 and beginning work on a new interchange at Country Club Road.
Along with this weekend’s traffic shift, ADOT is advising motorists to be aware of other changes in the work zone starting Friday night:
- The westbound I-10 off-ramp to Park Avenue will close for up to 90 days.
- The eastbound I-10 on-ramp at Park Avenue will close for up to 90 days.
- The westbound I-10 on-ramp at Palo Verde Road will close permanently.
Work began in June 2025 with the goals of reducing delays and enhancing safety. Major project features include adding a third lane in each direction of I-10 and building two interchanges…