 CR 80 was reassigned to the portion of Montauk Highway between Patchogue and Hampton Bays on October 6, 1966, while CR 85 was given to the section between Oakdale and Patchogue on March 29, 1972.Major improvements (to great local fanfare) were made to this road in approximately 2016-2018 timeframe to bring the highway up to modern standards.However the greenspace, bike lane, beautification, sound wall, 3-lane cross-section, curb and gutter, median with landscaping are only 1/3 completed along the route due to insufficient budget to complete the other 2/3.