This document discusses public-private partnerships (PPPs) for transportation projects, specifically bus rapid transit (BRT) systems. It provides an overview of different types of PPP models and considerations for whether a project is suitable for a PPP. Key factors that determine if a PPP will attract private sector investment are outlined. Examples of successful and failed BRT PPP projects in various countries are presented, along with different payment structures used. The document concludes with recommendations for how cities can structure BRT projects to attract private capital through PPPs.