The U.S. transportation system consists of various modes that facilitate the movement of people and goods across the country. Key components include highways, railroads, airports, and public transit systems. The extensive network of interstate highways connects cities and regions, while freight trains and cargo ships play crucial roles in transporting goods. Public transportation options, such as buses and subways, are available in many urban areas, providing alternatives to driving. The Federal Aviation Administration (FAA) oversees air travel, ensuring safety and efficiency in the skies. Overall, the U.S. transportation system is vital for economic growth and connectivity.