Efficiencies in the construction of greenfield projects can overcome PPPs' cost disadvantages, as can efficiencies in revenue generation. Innovative financing programs-in particular, the options available under TIFIA and PABs-can also offset PPPs' cost disadvantages by providing them with less costly and more flexible sources of capital. However, generalizations about which approach-a PPP or traditional financing-is more advantageous to the public sector cannot be made as each project has its own unique characteristics. We developed a flowchart of our analysis that could guide a decision maker in his or her financing choice.