Washington State Routes are a network of highways and roads that facilitate travel and transport across Washington State. Managed by the Washington State Department of Transportation, these routes connect major cities, towns, and rural areas, ensuring efficient movement for both vehicles and pedestrians. The routes are numbered and categorized into different classes, including primary and secondary routes. They play a crucial role in the state's economy by supporting commerce and tourism, while also providing access to scenic landscapes and recreational areas, enhancing the overall travel experience for residents and visitors alike.