Eisenhower to enhance transportation and national defense during the Cold War. The system consists of over 46,000 miles (74,000 km) of highways that connect major cities, towns, and rural areas across the country. The Interstate Highway System plays a crucial role in the economic development and mobility of the United States. It facilitates the movement of goods and people, contributing to economic growth, productivity, and job creation. The system also improves safety by providing well-designed roads with standardized features such as medians, wide lanes, and controlled access points. The construction of the Interstate Highway System was an immense undertaking that spanned several decades. It involved the collaboration of federal, state, and local governments, as well as the cooperation of various industries, communities, and stakeholders. The highways were built to high standards and required extensive planning, engineering, environmental assessments, and funding. The Interstate Highway System has had significant social, economic, and cultural impacts on the United States. It has influenced patterns of urban and suburban development, contributed to the growth of the automobile industry, and changed the way Americans travel, commute, and experience their country. The system has also faced challenges, including congestion, maintenance needs, and environmental concerns, which have led to ongoing efforts to improve and expand the network. Overall, the Interstate Highway System is a vital component of the nation's infrastructure, serving as a backbone for transportation and connecting communities across the United States. It continues to shape the country's mobility, economy, and way of life.