Washington State Route 526

State Route 526 (SR 526) is a state highway in Snohomish County, Washington, United States. The east–west highway travels 4.52 miles (7.27 km) and connects SR 525 in Mukilteo to Interstate 5 (I-5) in southern Everett. It serves the Boeing Everett Factory and Paine Field and is named the Boeing Freeway. The highway also serves as a main route to the city of Mukilteo and the state-run ferry to Whidbey Island.

Washington State Route 526

State Route 526 (SR 526) is a state highway in Snohomish County, Washington, United States. The east–west highway travels 4.52 miles (7.27 km) and connects SR 525 in Mukilteo to Interstate 5 (I-5) in southern Everett. It serves the Boeing Everett Factory and Paine Field and is named the Boeing Freeway. The highway also serves as a main route to the city of Mukilteo and the state-run ferry to Whidbey Island.