Both the USOC and Chicago 2016 officials expected the report to show concerns about transport, given the aged nature of the city's subway and bus systems, and finance, since the U.S. is the only country where the games cost is not completely guaranteed by government entities.

Chicago has come up with a $1.15 billion guarantee against operations, including $500 million from the city, $500 million in projected operating surplus and a $150 million pledge from the state, which has not been approved yet.