A plan to promote proper traffic operation on crossroads near interchanges 1963
prepared by the Committee on Planning and Design Policies, American Association of State Highway Officials
Bok Engelsk 1964
Utgitt | Washington D.C. : AASHO , [1964?]
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Omfang | 4 s.
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Opplysninger | "Ordered printed as an informational guide by the Executive Committee, American Association of State Highway Officials, February 10, 1964."
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Emner |