 Following completion of these studies, a memorandum of understanding was signed on June 9, 2010 by the Governors of Illinois and Indiana, which formalized the partnership between the two states for planning a potential new transportation linkage.Recently enacted legislation in both states also allows a "public private partnership" or "P3", which allows private sector financing for constructing or operating a transportation facility.The Illiana Expressway would become the third east–west expressway to connect northeastern Illinois and northwest Indiana.