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In the article the issues on creation of branch of track width when changing it in the curved track with radius less than 350 m. Presented the existing methods of widening or narrowing the width of the track in the curves section of track. We propose a method of change of gauge in curved track is from 1520 to 1530 or 1535 mm. to the Proposed method of drainage of the track width is carried out by the existing structures of the elements of the superstructure. The proposed method of drainage of the track width gives a smooth fit of the rolling stock in curve track section and provides the requirements of the applicable standards.