Interstate 40, often abbreviated as I-40, is a major east-west highway in the United States. It stretches approximately 2,555 miles from Barstow, California in the west to Wilmington, North Carolina in the east. This interstate connects several key cities, including Flagstaff, Arizona, Albuquerque, New Mexico, and Little Rock, Arkansas. I-40 is an important route for both commercial and recreational travel, facilitating the movement of goods and people across diverse landscapes. It passes through various regions, including deserts, mountains, and forests, showcasing the natural beauty of the country while serving as a vital transportation corridor.