 The railway company rebuilt the highway, relocating it inland to make way for its railroad, at a cost of $150,000 (equivalent to $ in dollars) per an agreement it reached with the state highway commission.State Road 10 was renamed to the Lake Chelan and Okanogan Highway by a legislative act in 1917 and moved to the east side of the river in 1923, ending a decade-long debate on where the highway should run.US 97 was created as part of the initial system of numbered national highways in 1926, running from Ashland, Oregon, to the Canadian border near Oroville.