Highway 91 is a major roadway located in the southwestern United States, primarily serving the state of California. It runs from the city of Los Angeles to the California-Nevada border, connecting various communities and facilitating regional travel. The highway is known for its scenic views and accessibility to popular destinations. The highway is also a vital route for commercial transportation, linking interstate highways and local roads. It plays a significant role in the economy by supporting trade and tourism in the region. Travelers often use Highway 91 to access attractions such as theme parks and national parks.