California State Route 210, also known as the Foothill Freeway, is a major east-west highway in Southern California. It stretches approximately 38 miles, connecting the cities of Pasadena and San Bernardino. The route serves as a vital transportation corridor, facilitating travel and commerce in the region. The freeway features several interchanges with other major highways, including Interstate 5 and Interstate 15. It runs through various communities, providing access to local attractions and amenities. The scenic drive offers views of the San Gabriel Mountains and is an essential part of the Southern California freeway system.