The U.S. federal-aid highway program was commenced in 1916, with milestones of Federal-Aid Highway Act of 1944 and Federal Aid Highway Act of 1956.
Federal Aid Highway Program (FAHP) The FAHP is currently a primary source of funding for construction of Arizona highways, roads and streets. Most of the funding...
The federal-aid program is administered by the Federal Highway; that empowers FHWA to implement the Federal-aid Highway Program.