Research Article
Nov 1974
Paved Highway Shoulders and Accident Experience
Authors: Clinton L. Heimbach, M.ASCE, William W. Hunter, AM.ASCE, and George C. ChaoAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 100, Issue 4
Abstract
Accident rates for rural two-lane highways having paved shoulders are compared with accident rates for similar highways having only grass or otherwise unstabilized shoulders. The significantly lower accident rates on paved shoulder highways are utilized to develop numerical values for the dollar amount of accident cost reduction directly attributable to the presence of a paved shoulder. Treating the dollars of accident cost reduction as benefits, an investment return analysis is performed relating the benefits to paved shoulder construction costs. Paved shoulder construction costs not exceeding $14,000/mile ($8,699/km), both sides, for 3-4 ft (0.9-1.2 m) wide shoulders can be economically justified on the basis of accident cost reductions for two-lane rural primary highways with average daily traffic volumes greater than 2,000 vehicles per day.
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Information
Published In
Transportation Engineering Journal of ASCE
Volume 100 • Issue 4 • November 1974
Pages: 889 - 907
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Nov 1974
Published online: Feb 5, 2021
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Authors
Affiliations
Clinton L. Heimbach, M.ASCE
Prof. of Civ. Engrg., North Carolina State Univ., Raleigh, NC
William W. Hunter, AM.ASCE
Res. Assoc., Highway Safety Res. Ctr., Univ. of North Carolina, Chapel Hill, NC
George C. Chao
Biostatistician; Abbott Labs., North Chicago, IL.
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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.