The Arizona Department of Transportation is initiating an improvement project at the Interstate 19 and Irvington Road traffic interchange. The project, located in Tucson will increase capacity and improve safety.
The Arizona Department of Transportation is making improvements to Interstate 10 in Tucson. The Interstate 10: Kino to Country Club project is the first project to come out of the Interstate 10 and State Route 210 Transportation Design Concept Report (DCR) that was completed in 2020.
The Arizona Department of Transportation began a project in April 2025 to install and connect Intelligent Transportation System (ITS) devices to the high-speed fiber optics cable along Interstate 19 starting at milepost 2, near the Nogales Port of Entry to just south of Interstate 10
The Arizona Department of Transportation will begin a pavement rehabilitation project on State Route 289 from Interstate 19 to milepost 11, approximately seven miles north of the city of Nogales.
The Arizona Department of Transportation completed a project to repair guardrail on State Route 386 at Kitt Peak located on the Tohono O’odham Nation in April 2025.
The Arizona Department of Transportation is performing a bridge repair project on State Route 80 in St. David, spanning the San Pedro River. The work will consist of removing the existing San Pedro River Bridge and replacing it with a continuous three span welded steel plate girder bridge. Additional work includes replacing guardrail and pavement markings.
The Arizona Department of Transportation in conjunction with the city of Nogales has completed a project to construct a sidewalk on State Route 82 (Patagonia Highway) from east of Morley Avenue to Royal Road in Nogales. The project will improve pedestrian and cyclist safety.
The Arizona Department of Transportation is scheduled to begin a roadway reconstruction and pavement rehabilitation project in the fall of 2025, on State Route 83 from milepost 31 (Black Oak Drive) to milepost 29 (Lower Elgin Road) in Sonoita.
The Arizona Department of Transportation began a pavement rehabilitation project on State Route 86 between mileposts 80-90 in February 2025. This project is located within the Tohono O’odham Nation.
The Arizona Department of Transportation has initiated a project to improve pavement, add a right-hand turn lane on State Route 87, and a left-hand turn lane on SR 287.
