In what year did Dwight D. Eisenhower sign the Federal Highway-Aid Act?

The Federal Highway-Aid Act was signed by President Dwight D. Eisenhower in 1956. This significant piece of legislation was pivotal in the development of the Interstate Highway System in the United States, facilitating improved transportation infrastructure that would benefit commerce and defense. Eisenhower recognized the need for a robust highway system as a means to enhance mobility and safety for the American public and to support military logistics. The Act authorized the construction of an extensive network of highways, which has had lasting impacts on commerce, travel, and the economy over the decades. The year 1956 is often referred to as a landmark moment in American transportation history due to this pivotal act.