自動閉塞信号 じどうへいそくしんごう Meanings Noun automatic block signal Kanji 自 self. Read as ジ. 動 move. Read as ドウ. 閉 shut. Read as ヘイ. 塞 block. Read as ソク. 信 trust. Read as シン. 号 sign. Read as ゴウ. Word lists Railway Jinuma: Japanese Dictionary · Word lists