The proposed Design-Build project work is located on Interstate 10 (I-10) from approximately Park Avenue to Alvernon Way. The work includes designing and, reconstructing I-10 between Park Avenue and Kino Parkway to four general-purpose lanes (GPL) in each direction, including auxiliary lanes between successive entrance and exit ramps; reconstructing I-10 between Kino Parkway and Alvernon Way to three GPL in each direction, including auxiliary lanes between successive entrance and exit ramps; reconstructing Kino Parkway to improve existing traffic and safety issues; constructing new bridges at Ajo Way, Kino Parkway, and the Tucson Diversion Channel; constructing two new I-10 eastbound (EB) entrance ramps between Park Avenue and Kino Parkway; removing the existing Palo Verde traffic interchange (TI) and constructing a new TI at Country Club Road, constructing new bridges at Country Club Road, Irvington Road, and Palo Verde Road; constructing a new I-10 westbound (WB) entrance ramp from Alvernon Way; and constructing a new undercrossing of I-10 at the Pima County Kino Sports Complex.