Park McArthur uses her sculptures and installations to challenge the status quo and gives a voice to those marginalized by societal structures. Among her foremost concerns are questions of access for and exclusion of people with disabilities, and the prejudices underlying social norms. Her work is conceptually driven and often composed of utilitarian materials such as blocks of foam or a Wikipedia entry. For a recent exhibition, McArthur questioned normative authority in a series of blank public sign works, reconfiguring and removing the language and symbols from existing signs to create an intentionally opaque series of directives that confront the prescriptive power of the format.