Southcentral

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 in partnership with the City of Eloy is tentatively scheduled to begin the Battaglia Drive and Tweedy Road intersection lighting improvement project in the summer of 2025.

Overview

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.

Overview

The Arizona Department of Transportation anticipates beginning a project to install High Intensity Activated Crosswalk(HAWK) signals across State Route 387 (Pinal Avenue) at Viola Street in the city of Casa Grande in early 2026.

The Arizona Department of Transportation is tentatively scheduled to begin the Interstate 10: Amole Interchange and Union Pacific Railroad Bridge Rehabilitation Project in August 2025.

The Arizona Department of Transportation is tentatively scheduled to begin a project on the north- and southbound Interstate 19 Canoa Ranch rest areas to install weigh-in-motion systems with tire pressure sensors to replace the existing system controllers. The project is tentatively planned to start in the summer of 2025.

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.

This project is complete

The Arizona Department of Transportation has completed a project on Interstate 10 west of Benson between milepost 302.95 and 303.56 in Cochise County. This project extended the climbing lane on westbound Interstate 10 between State Route 80 on-ramp and SR 90 off-ramp.

Overview

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 (milepost 57) in Tucson. The purpose of this project is to provide fiber optic connectivity to existing traffic signals and install new ITS devices at eleven interchanges listed below.

The Arizona Department of Transportation in collaboration with the town of Marana are working to reconstruct Dove Mountain Boulevard at the Moore Road intersection in Marana. Construction began in February and the project is expected to be completed in fall 2025.

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 tentatively scheduled to begin a project to improve State Route 187 on the Gila River Indian Community in fall 2025. These improvements will include pavement preservation, shoulder widening, and adding new turn lanes, which will reduce congestion and improve mobility.

The Arizona Department of Transportation is completing a pavement rehabilitation project located on State Route 90 between the border patrol station and Moson Road (mileposts 304-325) in Cochise County.

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 and the Federal Highway Administration (FHWA) are working to improve safety and traffic flow on I-10 between the Ina Road and Ruthrauff Road interchanges in Tucson.