Experimental guardrail posts
Subtitle: final report on a method of reducing post checking
By: conducted, supervised, and reported by Charles R. Chandler.
Contributors: Oregon. State Highway Dept.
Series: Technical report -- 68-4.; Technical report (Oregon. State Highway Dept.) -- no. 68-4.
Publisher: Oregon State Highway Department, Materials and Research Division
Published: 1968
Place of publication: [Salem, Or.?]
Language: eng
Number of pages: 14
Subjects: Roads -- Oregon -- Guard fences.; Wood poles -- Oregon -- Defects.
Notes: "October 1968."

"Accomplished in cooperation with U.S. Department of Transportation Bureau of Public Roads."

HPR Project 1 (6) 5129-616-12.