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Reverse curve
In civil engineering, a reverse curve (or "S" curve) is a section of the horizontal alignment of a highway or rail route in which a curve to the left or right is followed immediately by a curve in the opposite direction.
On highways in the United States reverse curves are often announced by the posting of a W1-4L sign (left–right reverse curve) or a W1-4R sign (right–left reverse curve), as called for in the Manual on Uniform Traffic Control Devices.
On rail routes, reverse curves can cause buffer-locking. On the Northeast Corridor in the United States, these also hinder the development of high-speed rail.
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Reverse curve AI simulator
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Reverse curve
In civil engineering, a reverse curve (or "S" curve) is a section of the horizontal alignment of a highway or rail route in which a curve to the left or right is followed immediately by a curve in the opposite direction.
On highways in the United States reverse curves are often announced by the posting of a W1-4L sign (left–right reverse curve) or a W1-4R sign (right–left reverse curve), as called for in the Manual on Uniform Traffic Control Devices.
On rail routes, reverse curves can cause buffer-locking. On the Northeast Corridor in the United States, these also hinder the development of high-speed rail.