Freeway and express system, Portland metropolitan area, 1955
By: Oregon State Highway Department, Traffic Engineering Division, Planning Survey Section.
Contributors: Oregon. State Highway Dept. Planning Survey Section.; Oregon State Highway Commission.
Series: Technical report / Oregon State Highway Department -- no. 55-5.; Technical report (Oregon. State Highway Dept.) -- no. 55-5.
Publisher: Oregon State Highway Commission
Published: 1955
Place of publication: Salem, Or
Language: eng
Number of pages: 151
Subjects: Express highways -- Oregon -- Portland Metropolitan Area.; Highway planning -- Oregon -- Portland Metropolitan Area.; Portland (Or.) -- Streets.
Notes: "June, 1955."