US 80 crossed the 1927 Gillespie Dam Bridge over the Gila River, where it immediately turned north on the other side of the river. After heading north a short distance, the highway turned northeast near Palo Verde Nuclear Generating Station and passed through Arlington. East of Arlington, US 80 then before turned east, crossing over the Hassayampa River into the town of Hassayampa. At Wilson Road, US 80 turned north, then east onto Hazen Road. At SR 85, the highway traveled north to the next major intersection with MC 85, then curved east into the town of Buckeye as Monroe Avenue. Buckeye marks the western end of the Phoenix metropolitan area. Heading east from Buckeye, US 80 used both MC 85 and Buckeye Road, through the Phoenix suburbs of Goodyear and Avondale. East of Avondale and present-day Loop 202, US 80 entered Phoenix proper. At 17th Avenue, US 80 left Buckeye Road, heading north past the Arizona State Capitol to Van Buren Street. At Van Buren St., the highway headed east again to an intersection with 7th Avenue and Grand Avenue, where it met US 60, US 70 and US 89. East of Grand Ave., US 80 shared a long concurrency with the other three U.S. Highways through the eastern half of the Phoenix area.