California State Route 10, commonly known as I-10, is a major east-west highway in the southern part of California. It stretches approximately 250 miles, connecting the city of Santa Monica to the Arizona state line. This route serves as a vital corridor for both local and interstate travel, facilitating the movement of goods and people. The highway passes through several key cities, including Los Angeles, San Bernardino, and Palm Springs. It is an essential part of the California transportation network, providing access to various attractions, businesses, and residential areas along its path.