上じょう下げ線せんじょうげせんMeanings1nounboth tracks; up and down linesRailway term referring to both the inbound and outbound tracks or lines together.事じ故この影えい響きょうで上じょう下げ線せんとも運うん転てんを見み合あわせています。Due to the accident, service is suspended on both the up and down lines.