Consideration for Dynamic Track Irregularity Management on Turnout by Removing Whiteout

A track irregularity on a turnout section is difficult to measure by a track inspection car due to a gap called “whiteout” on a crossing section. However, the demand of developing the way to measure the track irregularity on the turnout section increases by the railway companies. In this paper, we introduce a method to remove the whiteout on the turnout section from a track measuring data of a track inspection car and track irregularity monitoring device, and study on a possibility of application of this method to evaluate the track irregularity on the turnout section.