閉塞式信号
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鉄道路線を閉塞区間と呼ばれるセクションに分割し、1つの閉塞区間に同時に1本の列車のみが進入できるよう信号で制御するシステム。固定閉塞方式では軌道回路や車軸カウンタで列車の在線を検知し、移動閉塞方式（ERTMS レベル3で使用）では列車位置を継続的に追跡することでより短い間隔での運行を実現する。
よくある質問
Block Signaling is a term used in the railway industry. Understanding this concept helps travelers navigate train services, schedules, and ticketing more effectively. See the full definition above for details.
Knowing what Block Signaling means can help passengers plan their journeys, understand announcements, and make informed decisions about routes, fares, and service types when traveling by train.
Several railway terms are closely related to Block Signaling. You can explore related concepts in the sidebar or browse the full TrainFYI glossary to deepen your understanding of rail terminology.