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Abstract Research purposes: The purposes of this paper are to discuss the way of determining the midway between main line and departure line and whether there is the midway between adjacent tracks in passenger and freight mixed railway stations as well as whether the midway between the OCS masts is 6500 mm.
Research conclusions: The more attention should be paid to the facilities like noise barrier, OCS masts, longitudinal drain sump between lines, canopy column and station column, etc. when selecting the midway because they may affect calculation of the midway. The most important thing is the safety of column when arranging the station columns between main line and departure line, and for which installing check rail and check wall is a reasonable, safe and feasible way. For the midway between adjacent tracks in passenger and freight mixed railway station and for the midway between the OCS masts, the layout of signal machine, type of OCS masters, drain sumps, and mechanized maintenance shall be taken into account when doing calculation.
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2008, Vol. 25 
