Research Article
May 1982
Expressway Route Optimization by OCP
Publication: Transportation Engineering Journal of ASCE
Volume 108, Issue 3
Abstract
The optimum curvature principle (OCP) is applied to the horizontal alignment optimization of an expressway in flat South Florida between two given points. Construction cost is the criterion optimized; any other criteria which can be quantized (e.g., environmental), can be optimized by the OCP in a similar manner. The OCP is shown to be a practical aid in the location and optimization of highways and other transportation routes by practical application. The global optimum route, not easily available by other methods, is obtained deterministically. An error analysis is used together with an intrinsic equation integration algorithm to establish error bounds when the true answer is unknown. The error bound (less than one hundredth of 1%) is much less than the 5% approximate construction cost saving over the straight line route with a length increase of about 1/2 of 1%.
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Information
Published In
Transportation Engineering Journal of ASCE
Volume 108 • Issue 3 • May 1982
Pages: 227 - 243
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: May 1982
Published online: Feb 5, 2021
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Authors
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Jocelyn F. B. Shaw, F.ASCE
Assoc. Prof., School of Civ. Engrg., Oklahoma State Univ., Stillwater, Okla.
Bernard E. Howard
Prof., Dept. of Mathematics, Univ. of Miami, Coral Gables, Fla.
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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.