Government Transportation Financial Statistics, a publication of the Bureau of Transportation Statistics, provides information on transportation-related revenue and expenditures for all levels of government and for all modes of transportation. It aggregates data from a variety of sources, including the Office of Management and Budget’s Public Budget Database, the Federal Highway Administration’s Highway Statistics Report, the National Transit Database, the FAA’s Airport Financial Report, tax data from the Bureau of Economic Analysis, and the U.S. Census Bureau’s Survey of State and Local Government Finances.