During the spring of 2013, CarShare Vermont initiated a community-based social marketing campaign (CBSM) called the Park It! Pledge (PIP). The goal of the PIP was to foster more sustainable travel behavior—specifically, to reduce vehicle miles traveled by encouraging community members to drive less. This report discusses the process and outcomes to recruit Burlington residents to take a pledge to park their personal vehicles for six months in exchange for a generous sustainable transportation package that included free CarShare Vermont membership and usage, CCTA transit passes, bicycle commuting workshops, and other monetary prizes.