No. 25. Grants Pass-Crescent City Highway—
From a point on Highway No. 1 at Grants Pass, southwesterly through Kerby and Waldo to the Oregon-California State Line.
No. 26. Mt. Hood Highway—
From Portland through Gresham and Bull Run around the south and east sides of Mt. Hood and to a junction with Highway No. 2, at or near Hood River.
No. 27. Clackamas Highway—
From a point on Highway No. 1, at or near Oregon City, northeasterly to a junction with Highway No. 26, at or near Pleasant Home.
No. 28. The West Side Highway—
From a point on Highway No. 1, at or near Portland, thence south on the west side of the Willamette River through Newberg, McMinnville, Dallas, Independence and Corvallis to a junction with Highway No. 1, at or near Eugene.
No. 29. Forest Grove-McMinnville Highway—
From Portland through Hillsboro, Forest Grove and Carlton to a junction with Highway No. 28, at or near McMinnville.
No. 30. Salem-Independence Highway—
From a point on Highway No. 1, at Salem, southwesterly to a junction with Highway No. 28 at Independence.
No. 31. Albany-Corvallis Highway—
From a point on Highway No. 1, at Albany to a junction with Highway No. 28, at or near Corvallis.
No. 32. Yamhill-Nestucca Highway—
From a point on Highway No. 28, at or near McMinnville, through Sheridan, Willamina, and Dolph to a junction with Highway No. 3, at or near Hebo.
No. 33. Corvallis-Newport Highway—
From a point on Highway No. 28, at Corvallis westerly to a junction with Highway No. 3, at or near Toledo.
No. 34. Eugene-Florence Highway—
From a point on Highway No. 1, near Eugene, westerly through Goldson and Deadwood to a junction with Highway No. 3, near Florence.