Final answer:
The 46,000-mile network of highways that crisscrosses the United States is known as the interstate highway system, instigated by the Federal Highway Act of 1956 to improve transportation and national defense.
Step-by-step explanation:
In the United States, the interstate highway system is a 46,000-mile network of highways that crisscross the country. Established under President Eisenhower's presidency through the Federal Highway Act of 1956, this vast network serves multiple purposes, ranging from improving private and commercial transportation to serving national defense needs. The construction of the interstate highways was transformative, facilitating thousands of kilometers of travel and significantly influencing the development and connectivity of various regions. Despite streamlining transit across states and fostering national unity, the emergence of the highway system also had adverse effects on small towns and businesses that were bypassed by these new, speedier routes.
The interstate highway system is a 46,000-mile network of highways in the United States that improves transportation and facilitates mobility. It was established under President Eisenhower's presidency as a way to connect cities and states for efficient travel and commerce.
In the United States, the interstate highway system is a 46,000-mile network of highways that crisscross the country. It was established under President Eisenhower's presidency in the 1950s to improve transportation and facilitate the movement of troops and goods. The system consists of multi-lane highways that connect cities and states, allowing for efficient travel and commerce.