The Federal Government funded 90% of the National System of Interstate Defense Highways.
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As of 2006, there were 46,876 miles of roadway in the Dwight D. Eisenhower National System of Interstate and Defense Highways.
The Interstate Highway System was authorized by the Federal-Aid Highway Act of 1956 - popularly known as the National Interstate and Defense Highways Act of 1956 - on June 29
The purpose of the Interstate Highway Act was to create a national network of highways for improved transportation and national defense. It aimed to connect cities and facilitate the rapid movement of people and goods across the country. Additionally, it aimed to enhance economic growth, create jobs, and improve the overall efficiency and safety of the transportation system.
Basically, that the federal government should serve some functions for ALL of the states (which the states wouldn't be good at doing, independently), such a fight wars, collect taxes for national defense, and interstate functions such as highways, etc.
In 1956 President Dwight Eisenhower initiated a mammoth federally funded program to create a national interstate highway system, later named the Dwight D. Eisenhower System of Interstate and Defense Highways.
National defense is the job of the federal government.
Hawaii has three interstates - H1, H2, and H3 - which connect important military facilities on the island of Oahu.The real name of the interstate highway system is "The Dwight D. Eisenhower National System of Interstate and Defense Highways", the Defense part of this name means they are intended primarily as Military Highways for the transportation of military equipment and troops in times of war and other emergency. Therefore such highways do not actually have to be "interstate" if they serve a valid "military" purpose. In fact many of the specifications for these highways derive directly from military equipment in the US inventory during the 1950s, when the system was in planning (e.g. the minimum clearance on overpasses comes from the height of the 280mm M65 Atomic Cannon the largest Army artillery piece ever made - in service from 1953 to 1963 it could fire a shell with a 15 kiloton yield about 20 miles).
The National Defense Highway System is usually called the Interstate Highway System or the Eisenhower Highway System.
Zekerijah Osmic is the Minister of Defense for Bosnia and Herzegovina's National Government.
Late 1950s under president Eisenhower. The full name of the system is "The National Defense and Interstate Highway System".
The interstate highways or "The National Defense and Interstate Highway System" is funded partially by Federal tax dollars and partially by State tax dollars. It was built primarily as a transportation system for the US Army to respond to invasion. Several of its specifications were based on US Army equipment of the 1950s (e.g. clearance of overpasses was high enough for the giant 280mm Atomic Cannon to pass under).The interstate highways or "The National Defense and Interstate Highway System" is funded partially by Federal tax dollars and partially by State tax dollars. It was built primarily as a transportation system for the US Army to respond to invasion. Several of its specifications were based on US Army equipment of the 1950s (e.g. clearance of overpasses was high enough for the giant 280mm Atomic Cannon to pass under).