Because BART does not have a lot of past experience with PPPs, BART brought in outside legal and financial experts who have extensive international experience in negotiating these deals from both sides of the table. In addition, BART has consulted with peer agencies that have developed similar projects, such as the Port Authority of New York and New Jersey, which recently completed its JFK Airtrain light rail system to New York's JFK International Airport, sponsors of the Richmond-Airport-Vancouver (RAV) rapid transit line in British Columbia, officials from London Underground, which completed numerous PPPs in recent years, and experts on commercial aspects of toll road concessions.