Passage: Ihe dị ka kilomita atọ (4.8 km) n'ebe ugwu nke ókèala California, okporo ụzọ ahụ gafere 4,310 ụkwụ (1,310 m) Siskiyou Summit, ebe kachasị elu na I-5, wee gbadata na Rogue Valley site na ugwu ndịda Oregon na obodo ndị dị ka Ashland, Medford na Grants Pass. Na-atụgharị n'ebe ugwu gafee ụzọ atọ gafere na ndagwurugwu Umpqua na site na Roseburg, ugwu na-agbanye n'ugwu, ma ka ọ na-eru Cottage Grove, ụzọ ahụ na-abanye na Osimiri Willamette Valley. Na Eugene, okporo ụzọ ahụ na-agafe I-105, ụzọ dị mkpirikpi n'ime obodo Eugene.
I-105 (mkpụrụ akwụkwọ)