 The state of Washington began maintaining State Road 7 in 1909, traveling from Peshastin to Spokane on what would become the Sunset Highway and US 2.The easternmost segment of US 2 within Washington, from Spokane to Newport, was added to the state highway system in 1915 as State Road 23 and renamed to the Pend Oreille Highway two years later.State Road 7 was renumbered to State Road 2, part of an east–west highway connecting Seattle to Spokane.