State Route 520 is a major highway in the state of Washington, connecting the city of Seattle to Redmond. It spans approximately 12 miles and includes the iconic SR 520 Floating Bridge, which crosses Lake Washington. This route serves as a vital link for commuters and travelers in the region. The highway is designed to facilitate both local and regional traffic, providing access to various neighborhoods and business districts. It features multiple interchanges and is known for its scenic views of the lake and surrounding areas, making it an important corridor for both transportation and recreation.