Example image of eyePlorer eyePlorer map for 'Federal Aid Highway Act of 1956': Bill (proposed law) Dwight D. Eisenhower Law Interstate Highway System Public works Trust law Tax Lincoln Highway Transcontinental Motor Convoy Gettysburg, Pennsylvania Washington, D.C. White House San Francisco Autobahn World War II Ohio Turnpike Federal Highway Administration United States Department of Transportation Fred Schwengel Memorial Bridge Federal-Aid Highway Act Wiss, Janney, Elstner Associates, Inc. Ohio State Route 1 Penn Central Transportation Company Interstate 80 in Pennsylvania Marquette Interchange Pennsylvania Route 43 Ohio Department of Transportation Stevens Square, Minneapolis White flight 84th United States Congress Federal Bridge Gross Weight Formula Kansas Turnpike Maywood Park, Oregon 1956 in the United States Washington State Department of Transportation History of state highways in Washington Amador Valley High School Interstate 96 U-Drop Inn Highway Act June 29 Interstate 40 in Tennessee Washington State Route 904 History of the trucking industry in the United States U.S. Route 101 in Washington Indiana Toll Road Grandfather clause Interstate 90 in New York Florida's Turnpike List of Iowa state highways