Laboratory evaluation of existing breakaway structures
By: prepared for Federal Highway Administration, Offices of Research & Development, Structures & Applied Mechanics Division.
Contributors: United States. Federal Highway Administration. Structures and Applied Mechanics Division.
Publisher: The Administration; National Technical Information Service [distributor]
Published: 1980
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Subjects: Automobiles -- United States -- Crashworthiness -- Testing.; Traffic signs and signals -- United States -- Break-away supports.; Traffic safety -- United States.
Notes: Cover title.

"Final report."

"June 1980."

"Report no. FHWA-RD-79-139" (v.1)

"Report no. FHWA-RD-79-140" (v.2)

Includes bibliographical references.
Table of contents: v. 1. Executive summary; v. 2. Technical results.