 In 2005, he was commissioned to make a 17-by-40 foot painting consisting of a grid of eight individual panels, for the Dallas/Fort Worth International Airport, Texas.Three years later, in 2008, he completed a permanent installation of digital prints extending over five floors for the Gallatin School of Individualized Study at New York University.In 2018, Halley had a show of paintings at the Lever House on Park Avenue in New York City.