Federal Highway Act formalizes a 7% federal-aid systemNov 9, 1921Labels: Federal Highway, Federal-aid systemCRS R47922FHWA History
Federal-aid highway system map completed under 1921 actNov 1, 1923Labels: Bureau of, Federal-Aid HighwayFHWA HistoryFHWA Trails
Revenue Act creates first federal gasoline excise taxJun 21, 1932Labels: Revenue Act, Federal gasolineCRS HistoryFHWA Stats
Federal gasoline tax made permanent amid wartime-era policyJan 1, 1941Labels: Federal gasoline, Wartime financeFHWA HistoryCRS History
Federal-Aid Highway Act authorizes Interstate system (no dedicated funds)Dec 20, 1944Labels: Federal-Aid Highway, Interstate systemFHWA AdminNational Archives
Revenue Act temporarily raises federal gasoline tax for Korean WarOct 21, 1951Labels: Revenue Act, Federal gasolineFHWA HistoryFHWA Stats
Eisenhower signs 1956 act creating Highway Trust FundJun 29, 1956Labels: Highway Trust, Federal-Aid HighwayFHWA RamblerNational ArchivesTreasury 1956
Federal-Aid Highway Act raises gasoline tax to 4 centsSep 21, 1959Labels: Federal-Aid Highway, Gasoline taxFHWA RamblerCRS R48472FHWA Policy
1961 act extends 4-cent fuel tax to support 1972 completion goalJun 29, 1961Labels: Federal-Aid Highway, Fuel taxTreasury 1961FHWA GreatestFHWA Build
1973 highway act widens debate over using trust-fund moneyAug 13, 1973Labels: Highway Act, Highway TrustCongress govFHWA Policy
Fuel-tax highway funds mature as 4-cent rate persists through 1980Jan 1, 1980Labels: Highway Trust, Gasoline taxCRS R48472FHWA RamblerFHWA Stats