Road infrastructure is one that must be constructed in Indonesia. Road construction requires huge capital. Government in order to build roads, make a coint venture with infrastructure financing institution. Financing institutions is one important in Indonesia. Financial institution regulated in Presidential Regulation No.9 of 2009 on Financing Institutions. Juridical arrangements regarding financing institutions have been inadequate. This is because the arrangement of financing institutions are regulated in the presidential and ministerial decrees. The importance of these financial institutions need a clear arrangement and can also be a “legal foundation” in the regulation of financial institutions. This paper will analyze the legal aspects of infrastructure financing in Indonesia.