US 90 is a major east-west highway in the United States, stretching approximately 2,650 miles from California to Florida. It serves as a vital transportation route, connecting various cities and regions across the country, including New Orleans and San Antonio. The highway passes through diverse landscapes, including deserts, mountains, and coastal areas. US 90 is known for its scenic views and historical significance, as it often follows paths used by early explorers and settlers. It plays an important role in local economies by facilitating trade and travel.