In road curve staking, which set of positions is used as the basis?

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Multiple Choice

In road curve staking, which set of positions is used as the basis?

In road curve staking, the layout is anchored to where the curve starts and ends on the alignment. The curve begins at the point of curvature, where the straight path transitions into the curve, and it ends at the point of tangency, where the curve joins back to a straight path. In practice, surveyors also place intermediate stakes along the curve for longer or more complex curves to continuously guide the alignment and verify the shape as construction proceeds. So the basis for staking is the point of curvature, the point of tangency, and any intermediate setup, or a combination of these. This approach directly ties the stakes to the actual curve geometry rather than to other points like the theoretical intersection of tangents or other non-curve-specific design points.

In road curve staking, the layout is anchored to where the curve starts and ends on the alignment. The curve begins at the point of curvature, where the straight path transitions into the curve, and it ends at the point of tangency, where the curve joins back to a straight path. In practice, surveyors also place intermediate stakes along the curve for longer or more complex curves to continuously guide the alignment and verify the shape as construction proceeds. So the basis for staking is the point of curvature, the point of tangency, and any intermediate setup, or a combination of these. This approach directly ties the stakes to the actual curve geometry rather than to other points like the theoretical intersection of tangents or other non-curve-specific design points.

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