Guardrails, barriers, and sign supports
Subtitle: 5 reports.
Contributors: Highway Research Board. Committee on Guardrails, Median Barriers, and Sign, Signal, and Lighting Supports.
Series: Highway research record -- no. 174; National Research Council. Publication 1505
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 206
Subjects: Roads -- Guard fences -- Addresses, essays, lectures.; Traffic signs and signals -- Break-away supports -- Addresses, essays, lectures.
Notes: "Paper(s) sponsored by Committee on Guardrails, Median Barriers, and Sign, Signal, and Lighting Supports and presented at the 46th Annual Meeting (of the Highway Research Board)".

Includes bibliographies.