The nation’s highways, airports, water supply systems, wastewater treatment plants, and other facilities play a vital role in the economy. That physical infrastructure, which is provided by all levels of government, supports the private commercial activities and the daily lives of individuals throughout the United States. CBO regularly examines proposals for changes in federal policy regarding such infrastructure.
Use this menu to filter CBO's publications by topic. From January 2011 forward, all the agency's products are categorized by topic. Cost estimates released prior to the 112th Congress are not categorized by topic.