 Nyorai kupfuurira kweiyi ndima - Mupata wacho wakapa mugwagwa wokufambisa kwezviuru zvemakore. Vazvarwa vomuAmerica vaifamba nomumupata wacho kuti vatengese paCelilo Falls, zvose zviri zviviri nomurwizi uye pamusoro peLolo Pass kurutivi rwokuchamhembe kweGomo reHood. Muna 1805, nzira yacho yakashandiswa neLewis naClark Expeditionkusvika kuPacific. Vagari vokutanga vokuEurope nevokuAmerica gare gare vakatanga migwagwa yezvikepe zvomumvura nezvitima nomumugero wacho. Nhasi, BNSF Railway inotakura zvinhu ichitevedza rutivi rweWashington rwerwizi, nepo mukwikwidzi wayo, Union Pacific Railroad, ichitakura zvinhu ichitevedza mhenderekedzo yeOregon. Kusvikira muna 1997, Pioneer yeAmtrak yaishandisawo njanji dzeUnion Pacific. Chikamu chePortland cheEmpire Builder chinoshandisa njanji dzeBNSF dzinopfuura nomumupata. 