Kooskia Internment Camp
The two-lane highway was completed seventeen years later connecting to Montana at Lolo Pass at and eastward approved as US 12 in Idaho in June 1962; its extension westward from Lewiston through Washington to Aberdeen was approved in 1967 , taking over much of US 410 , which was decommissioned . 
<triplet> through Washington <subj> Aberdeen <obj> terminus location <subj> 1967 <obj> inception