Research Article
Jun 1968
Design Of Safer Roadside Structural Elements
Publication: Journal of the Highway Division
Volume 94, Issue 1
Abstract
Structural design of roadside appurtenances such as signs, lighting posts, and guardrails should be such that they inflict minimum damage to highway users when and if the appurtenances are struck by vehicles. Sign and lighting posts that cannot be located 30 ft from the lane edge can utilize breakaway post details recently developed which cause the post to fail relatively easily when hit by a vehicle. Beam type guard-rail should be blocked out, have 6 ft-3 in. post spacing, and should be anchored. Lateral clearances to bridge piers or abutments should be 30 ft from lane edge when possible. Full approach shoulders should be provided on nearly all bridges. Safety and aesthetics are compatible. A selected bibliography is included.
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Information
Published In
Journal of the Highway Division
Volume 94 • Issue 1 • June 1968
Pages: 93 - 107
Copyright
© 1968 American Society of Civil Engineers.
History
Published in print: Jun 1968
Published online: Feb 6, 2021
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Authors
Affiliations
Donald W. Loutzenheiser, F.ASCE
Chf., Highway Standards and Design Div., Office of Engrg. and Operations, Bureau of Public Roads, U.S. Dept. of Transportation, Washington, D.C.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.