Railroad Surveys: History and Curve Computations
Railroads are an integral part of the United States' infrastructure. From the early days of our Nation, railroads have played a part in the development of our economy and the Nation as a whole. Because so many railroads exist throughout the country, surveyors must be familiar with how they were originally placed. Most surveyors will, at one time or another, have to perform a survey that is affected by a previous railroad survey. This paper provides an overview of the history of the United States' railroad system, and then discusses the instruments and procedures used to map and lay out railroads. Finally, the methods of calculating and laying out simple and spiral curves are described.
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Document Type: Research Article
Publication date: September 1, 2007