The study details how unfocused policy can lead to lots of goodies for special interest groups, especially developers.
From the report: “Virtually all players agree there is no coordinated vision in setting priorities for federal transportation projects. That vacuum has led to a tidal wave of earmarks by Congress. Quite naturally real estate developers and other interests make great efforts to influence which projects get funded. As a group, more than 100 real estate development interests – including both firms and local authorities—spent roughly $5.5 million on federal transportation lobbying in 2009 for projects ranging from rail investments to new interstate exits, according to a Center for Public Integrity analysis of lobbying disclosure records.”