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Design
U.S. 422 in rural Pennsylvania. The curvilinear alinement and roadside treatment have resulted in a design incorporating utility, beauty, and economy of maintenance.
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Page:America's Highways 1776–1976.djvu/386
Layout 2
Design
U.S. 422 in rural Pennsylvania. The curvilinear alinement and roadside treatment have resulted in a design incorporating utility, beauty, and economy of maintenance.
380