 The highway was renamed to the Naches Pass Highway in 1921 and became State Road 5 during a 1923 restructuring of the state highway system.After the formation of the United States Numbered Highways in 1926, US 410 was created and used the route of State Road 5 between Tacoma and Naches.State Road 5 became PSH 5, extended north to Renton and named the National Park Highway, was established during the creation of the Primary and secondary state highways in 1937.