Add Lanes Gateway Freeway (SR 24) (SR 24-SR 202l to Ironwood Dr)

The Arizona Department of Transportation is requesting bids for the Add Lanes Gateway Freeway project on SR 24 and SR 202L in Maricopa and Pinal Counties, with bids due September 4, 2026. Bidders must be prequalified with ADOT and included on the project Plansholder List as a prime contractor — a mandatory eligibility gate. Electronic bidding is required, and a proposal guaranty equal to 10 percent of the bid amount is mandatory.

The scope spans widening SR 24 and SR 202L to add general purpose lanes, constructing new system interchange ramp connections between the two routes, and reconstructing Ironwood Drive as a diverging diamond interchange. Work includes excavation, embankment, concrete and asphaltic concrete paving, new concrete bridges and bridge widening, retaining walls, sound walls, storm drain and catch basins, landscaping, erosion control, pavement markings, signage, traffic signals, lighting, and Freeway Management System installation across the City of Mesa, Town of Gilbert, Town of Queen Creek, Maricopa County, and Pinal County, extending from SR 202L Mile Post 31.60 to 37.59 and SR 24 Mile Post 0.00 to 5.64.

The contract is programmed at $351.688 million. The Construction Phase allows 940 calendar days; the Landscaping Establishment Phase allows 365 calendar days. Performance bonds and payment bonds are each required at 100 percent of the contract amount, along with insurance certificates. The project is subject to prevailing wage requirements and is federally aided under Title VI Civil Rights Act compliance. DBE participation is required in accordance with 49 CFR Part 26; no specific DBE goals have been established during the current transition period. Bidders must complete a Bidders/Proposers List through the Arizona Unified Transportation Registration and Certification System and submit confirmation to the Business Engagement and Compliance Office within five calendar days following bid opening. The bid opens Friday, September 4, 2026, at 11:00 a.m. Mountain Standard Time.