Select either a route concept (horizontal or vertical alignment, degree of curve, spiral curves, materials used, etc..) or a particular route that is noteworthy and prepare a 1 to 2 page report on the topic.
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Select either a route concept (horizontal or vertical alignment, degree of curve, spiral curves, materials used, etc..) or a particular route that is noteworthy and prepare a 1 to 2 page report on the topic.