Movable frog switches are occasionally employed to allow high speed running through the junction.
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Additionally, a red signal will be shown on the approach to a set of points when a clear path through them is not set.
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On modern high speed routes, such as the East and West Coast Main Lines, some turnouts at major junctions are designed to operate at maximum or near maximum linespeeds to keep the average speed of the journey as high as possible and reduce journey times as well as unnecessary wear on the train wheels, brakes and the track.
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