"Table 3-28 Cash Balances of the Transportation-related Federal Trust Funds, Fiscal Year ($ millions)",,,,,,,,,,, ,FY 1980,FY 1985,FY 1990,FY 1991,FY 1992,FY 1993,FY 1994,FY 1995,FY 1996,FY 1997,FY 1998 Airport/Airway Trust Fund,,,,,,,,,,, $ current,"5,442","7,426","14,355","15,263","15,204","12,850","12,386","11,365","7,692","6,358","9,411" $ constant 1996R,"9,473","9,814","17,133","17,508","16,926","13,940","13,106","11,691","7,692","6,274","9,188" ,,,,,,,,,,, Highway Trust Fund,,,,,,,,,,, Highway account,,,,,,,,,,, $ current,"10,999","10,361","9,629","10,246","11,300","11,523","7,927","9,421","11,658","12,575","8,519" $ constant 1996R,"19,145","13,692","11,493","11,753","12,580","12,500","8,388","9,691","11,658","12,410","8,318" ,,,,,,,,,,, Transit account,,,,,,,,,,, $ current,N,"2,524","7,155","9,250","9,798","10,617","9,945","9,579","9,525","9,857","10,051" $ constant 1996R,N,"3,336","8,540","10,610","10,908","11,517","10,523","9,854","9,525","9,727","9,813" ,,,,,,,,,,, Harbor Maintenance Trust Fund, ,,,,,,,,,, $ current,N,N,30,74,121,305,451,621,865,"1,106","1,246" $ constant 1996R,N,N,36,85,135,331,477,639,865,"1,091","1,217" ,,,,,,,,,,, Inland Waterway Trust Fund, ,,,,,,,,,, $ current,N,172,281,217,186,180,214,238,275,300,327 $ constant 1996R,N,227,335,249,207,195,226,245,275,296,319 ,,,,,,,,,,, Oil Spill Liability Trust Fund, ,,,,,,,,,, $ current,N,N,345,647,866,"1,024",993,"1,121","1,124","1,110","1,083" $ constant 1996R,N,N,412,742,964,"1,111","1,051","1,153","1,124","1,095","1,057" ,,,,,,,,,,, Total all funds,,,,,,,,,,, $ current,"16,441","20,483","31,795","35,697","37,475","36,499","31,916","32,345","31,139","31,306","30,637" $ constant 1996R,"28,618","27,069","37,949","40,947","41,720","39,594","33,771","33,273","31,139","30,894","29,913" KEY: FY = fiscal year; N = data do not exist; R = revised.,,,,,,,,,,, ,,,,,,,,,,, SOURCES:,,,,,,,,,, "1980-94: U.S. Department of Transportation, Bureau of Transportation Statistics, Transportation Receipts and Outlays in the Federal Budget, ",,,,,,,,,, "Fiscal Years 1977-94 (Washington, DC: April 1997), table 1-3.",,,,,,,,,, "1995-97: U.S. Executive Office of the President, Office of Management and Budget, Budget of the United States Government, Appendix (Washington, DC: Annual issues).",,,,,,,,,, "Constant dollar deflator: U.S. Department of Commerce, Bureau of Economic Analysis, Survey of Current Business (Washington, DC: June 2000), ",,,,,,,,,, "table 7-11, ""Chain Type Price Indexes-Federal.""",,,,,,,,,,