Searle's railway spiral adapted to road work reduces surfacing and grading costs, simplifies field surveys, and cuts down office computations. Spiraling of highway curves has been adopted as standard practice by North Carolina State Highway Commission.
Spiral curves cut costs of North Carolina road work
Eng. News-Rec
Engineering News-Record ; 93 , n 4
1924
4 pages
3 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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