A review of Public Private Partnership (PPP) finance options and the Arizona I-17 project. A discussion of finance options, including project finance versus public finance, the evolution of project finance lenders, project finance role in PPPs, project finance as an asset class, why project finance is at risk in the U.S., and options and what we can do. A brief overview of the Arizona I-17 project, including the concept, potential participants, a glossary of key terms, and the conceptual structure, ownership, and revenue flows.