Public-private partnerships (PPPs) in transportation infrastructure projects refer to contractual agreements formed between a public Agency and a private sector entity to allow for greater private sector participation in project delivery. At the current time, most Agencies do not have a set of straightforward guidelines by which they decide whether to adopt PPP for a given project, and if to adopt one, which type of PPP should be adopted. Before such a decision can be made in an informed manner, the Agency needs to develop and implement a PPP evaluation and decision-support framework that will incorporate the PPP costs and benefits.