Vehicular impact tests of breakaway wood supports for dual-support roadside signs.

Author(s)
Nordlin, E.F. Stoker, J.R. & Stouhgton, R.L.
Year
Abstract

Since the late 1960's the California Department of Transportation has used wood posts and timber poles with drilled holes near the bases as breakaway supports for dual-support roadside signs. Due to the recent rapid increase in the lightweight car population, crash tests were conducted on these designs to determine whether they met current performance criteria. The design has been adopted as a standard in California.

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Publication

Library number
B 20606 /73/82/ IRRD 263687
Source

Sacramento, California State Department of Transportation, 1981, 189 p., fig., graph., tab., ref.; FHWA-CA-TL-81-14 / NTIS PB-176462

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This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.