The recent bankruptcy filings by infrastructure companies Connector 2000 Association Inc., South Bay Expressway, L.P., California Transportation Ventures, Inc., and the Las Vegas Monorail Company have tested the structures utilized to implement public-private partnerships (P3s) in the United States in several respects. It is still too early to draw definitive conclusions about the impact of these proceedings on P3 structures going forward, but initial rulings in two of the cases are already focusing the minds of project participants on threshold structuring considerations.