The paper analyses how the spatial vision of the Loop City for the Oresund Region has played an important persuasive role in legitimizing and mobilizing local and national political support for a light rail link along the outer ring road in the Greater Copenhagen Area. The paper discusses the persuasive power of spatial concepts and supportive storylines in bringing transport infrastructure projects onto the national policy agenda. In conclusion, the paper calls for critical attention to the rationalities underpinning practices of persuasive storytelling in contemporary strategic spatial planning.