Cover Image

Guardrail encroachment monitor, GEM /

Bibliographic Details
Corporate Authors: United States. Federal Highway Administration. Structures and Applied Mechanics Division, Southwest Research Institute
Format: Government Document Book
Language:English
Published: Washington, D.C. : The Division ; 1981.
Subjects:
Roads > United States > Guard fences.
Detectors.
Description
Item Description:Cover title.
"Southwest Research Institute"--1st prelim. p.
"Summary report."
"May 1981."
Contract number: DOT-FH-11-8498.
"Report number FHWA/RD-80/174."
Physical Description:iv, 41 pages : illustrations ; 28 cm.