Data Sources

Data Sources

Table 1. Data Sources for Government Transportation Revenues, Expenditures, Grants, Budget Authority, and Obligations

Mode Level of government Data source
Highway Federal Revenues:
U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, D.C.: Annual issues), http://www.fhwa.dot.gov/ohim/ohimstat.html, as of October 2001, Table FA-5 and FE-210.

Expenditures and grants:
For 1991 and preceding years-Estimated based on data from U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, D.C.: Annual issues), http://www.fhwa.dot.gov/ohim/ohimstat.html, as of October 2001 and Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
For 1992 and the latest year available-U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, D.C.: Annual issues), http://www.fhwa.dot.gov/ohim/ohimstat.html, as of October 2001, Table FA-5 and FE-210.

Capital expenditures:
U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, D.C.: Annual issues), http://www.fhwa.dot.gov/ohim/ohimstat.html, as of October 2001, Table HF-10A.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
Highway State & local Revenues, expenditures, and capital expenditures:
U.S. Department of Commerce, Bureau of the Census, State and Local Government Finance Estimates (Washington, D.C.), ftp://ftp.census.gov/pub/outgoing/govs/, as of October 2001.
Transit Federal Revenues:
U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, D.C.: Annual issues), http://www.fhwa.dot.gov/ohim/ohimstat.html, as of October 2001, Table FA-5 and FE-210.

Expenditures and grants:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Capital expenditures:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For details, refer to section on Data Coverage.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
Transit State & local Revenues, expenditures, and capital expenditures:
U.S. Department of Commerce, Bureau of the Census, State and Local Government Finance Estimates (Washington, D.C.), ftp://ftp.census.gov/pub/outgoing/govs/, as of October 2001.
Rail Federal Revenues:
See explanation on p. 18.

Expenditures and grants:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Capital expenditures:
For 1995 and preceding years personal communication with FRA. After 1995 - Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For details, see section on Data Coverage.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
Rail State & local Estimated based on information from Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For details, refer to section on Data Coverage.
Air Federal Revenues:
U.S. Department of Transportation, Federal Aviation Administration, Budget in Brief, (Annual issues), http://www.faa.gov/aba/html_budget/index.html, as of October 2001.

Expenditures and grants:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For NASA - NASA, Aeronautics and Space Report of the President (Washington, D.C.: Annual issues), http://www.hq.nasa.gov/office/hqlibrary/books/nasadoc.htm, as of October 2001, Appendix E-3.

Capital expenditures:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For NASA - NASA, Aeronautics and Space Report of the President (Washington, D.C.: Annual issues), http://www.hq.nasa.gov/office/hqlibrary/books/nasadoc.htm, as of October 2001, Appendix E-3. For details, see section on Data Coverage.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001. For NASA - NASA, Aeronautics and Space Report of the President (Washington, D.C.: Annual issues), http://www.hq.nasa.gov/office/hqlibrary/books/nasadoc.htm, as of October 2001, Appendix E-3.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
Air State & local Revenues, expenditures, and capital expenditures:
U.S. Department of Commerce, Bureau of the Census, State and Local Government Finance Estimates (Washington, D.C.), ftp://ftp.census.gov/pub/outgoing/govs/, as of December 2001.
Water Federal Revenues:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001 except U.S. Army Corps of Engineers (USACE). For U.S. Army Corps of Engineers (USACE) - personal communication.

Expenditures and grants:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001 except U.S. Army Corps of Engineers (USACE). For USACE -personal communication.

Capital expenditures:
For MARAD and USCG - Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.
For Saint Lawrence Seaway Development Corporation, Panama Canal Commission, and USACE - personal communication. For details, refer to section on Data Coverage.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001 except U.S. Army Corps of Engineers (USACE). For USACE -personal communication.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001 except U.S. Army Corps of Engineers (USACE). For U.S. Army Corps of Engineers (USACE) - personal communication.
Water State & local Revenues, expenditures, and capital expenditures:
U.S. Department of Commerce, Bureau of the Census, State and Local Government Finance Estimate (Washington, D.C.), ftp://ftp.census.gov/pub/outgoing/govs/, as of October 2001.
Pipeline Federal Revenues:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.

Expenditures and grants:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Capital expenditures:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.
General support Federal Revenues:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.

Expenditures:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Budget authority:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government Fiscal Year 2002 - Public Budget Database (Washington, D.C. 2002), http://w3.access.gpo.gov/usbudget/fy2002/db.html, as of October 2001.

Obligations:
Executive Office of the President of the United States, Office of Management and Budget, Budget of the United States Government - Appendix (Washington, D.C.: Annual issues), http://w3.access.gpo.gov/usbudget, as of October 2001.