State Route 3 is a significant highway located in the state of California. It runs primarily in a north-south direction, connecting various communities and providing access to important local destinations. The route is known for its scenic views and serves as a vital transportation link for residents and travelers alike. The highway spans approximately 100 miles, starting near the city of San Diego and extending northward through Riverside County. Along the way, it intersects with several major roads, facilitating travel to nearby attractions and urban areas. State Route 3 plays a crucial role in the regional transportation network.