Table 6 Share of Own-Source and Supporting Transportation Revenue by Mode

Percent

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	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Total	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00	100.00
Own-Source Revenue	64.34	64.04	63.79	65.47	65.28	66.11	60.78	60.54	58.16	58.65	59.32	58.53	65.67
Highway	45.96	47.72	46.69	46.41	46.58	46.96	42.14	42.11	40.44	41.38	41.83	40.51	45.16
Transit	5.84	5.74	5.67	5.47	5.33	5.51	5.29	5.27	5.22	5.32	5.05	5.70	5.79
Railroads	0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Air	9.88	7.81	8.74	11.05	11.10	11.51	11.26	11.30	10.61	9.95	10.36	10.21	12.30
Water	2.61	2.74	2.66	2.51	2.26	2.09	2.06	1.81	1.87	1.97	2.05	2.09	2.40
Pipeline	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02	0.02	0.02	0.03
General Support	0.00	0.01	0.01	0.01	0.00	0.01	0.01	0.01	0.00	0.00	0.00	0.01	0.01
Supporting Revenue	35.66	35.96	36.21	34.53	34.72	33.89	39.22	39.46	41.84	41.35	40.68	41.47	34.33
Highway	18.17	18.96	19.15	18.21	17.60	19.91	19.96	19.93	19.07	20.16	19.59	21.27	11.52
Transit	9.74	9.36	9.35	8.79	10.80	9.93	11.33	10.58	10.62	11.14	10.85	10.16	11.67
Railroads	0.71	0.66	0.72	0.63	0.22	0.39	0.36	0.60	0.53	0.65	0.59	0.87	0.63
Air	4.38	4.70	4.81	4.94	4.29	1.62	5.36	5.83	4.89	6.21	6.41	5.92	6.83
Water	2.35	2.01	1.95	1.80	1.67	1.87	2.05	1.82	2.31	2.72	2.79	2.75	3.15
Pipeline	0.01	0.02	0.02	0.02	0.02	0.02	0.01	0.02	0.03	0.03	0.03	0.03	0.03
General Support	0.29	0.25	0.22	0.15	0.13	0.15	0.15	0.67	4.39	0.45	0.43	0.48	0.50

Note: Local government receipts from highway are not included in 2007.

Sources:
Executive Office of the President of the United States, Office of Management and Budget (OMB), "Budget of the United States Government: Public Budget Database," Washington, D.C., available at http://www.whitehouse.gov/omb/ as of September 2009.
Executive Office of the President of the United States, Office of Management and Budget (OMB), "Budget of the United States Government: Appendix," Washington, D.C., available at http://www.gpoaccess.gov/usbudget/browse.html as of September 2009.

U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), "Highway Statistics," Washington, D.C., Annual issues, available at http://www.fhwa.dot.gov/policy/ohpi/hss/hsspubs.htm as of October 2009.
U.S. Bureau of Economic Analysis (BEA), "National Income and Product Accounts (NIPA) Tables," Taxes on Corporate Income by Industry, available at http://www.bea.gov/bea/dn/nipaweb/SelectTable.asp?Selected=N as of October 2009.
U.S. Department of Transportation (USDOT), Federal Transit Administration (FTA), "National Transit Database (NTD)," Washington, D.C., Annual issues, available at http://www.ntdprogram.gov/ntdprogram/data.htm as of September 2009.

U.S. Department of Transportation (USDOT), Surface Transportation Board, "Statistics of Class I Freight Railroads," Annual issues, available at http://www.stb.dot.gov/econdata.nsf/66a333195e0491c885256e82005ad319?OpenView as of October 2009.
U.S. Department of Transportation (USDOT), Federal Aviation Administration (FAA), "Budget in Brief," Washington DC, Annual issues, available at http://www.faa.gov/about/budget/ as of September 2009.
Air Transport Association, "Airline Industry Taxes and Fees," U.S. Aviation Excise Taxes and User Fees, available at http://www.airlines.org/economics/taxes/ as of October 2009.

U.S. Environmental Protection Agency, U.S. Environmental Protection Agency's Performance and Accountability Report, "Principal Financial Statements, " available at http://www.epa.gov/ocfo/par/index.htm as of September 2009.
U.S. Department of Transportation (USDOT), Federal Aviation Administration (FAA), "Airport Financial Report," Form 127, available at http://cats.airports.faa.gov/ as of October 2009.

U.S. Department of Commerce, Census Bureau, "State and Local Government Finances," Washington, D.C., Annual issues, available at http://www.census.gov/govs/www/estimate.html as of October 2009.