Over a period of three years, the stencil artist Peter Gibson, aka Roadsworth, made his mark on Montreal in the early hours of the morning by launching a self-described “attack on the streets.” Armed with spray paint and handmade stencils, he began to play with the language of the streets, overlaying city asphalt markings with his own images: a crosswalk became a giant boot print, vines choked up traffic dividers, and electrical plugs filled parking spots. Each piece begged the question, Who owns public space?