railway semaphore signal - Definition & Meaning

a visual signaling device that uses a moving arm to show train drivers if they should stop or proceeda visual signaling device that uses a moving arm to show train drivers if they should stop or proceed

A railway semaphore signal is a type of mechanical signal used to control train movements, typically consisting of a vertical arm that moves to different positions to convey instructions. The arm's position indicates whether a train should stop, proceed with caution, or continue at full speed. The arm is usually colored or marked to make it easier for train operators to understand the signal from a distance. Semaphore signals were widely used in the past, but have been largely replaced by modern electronic signals. However, they are still sometimes found in older railways or areas where older signaling systems are preserved.A railway semaphore signal is a type of mechanical signal used to control train movements, typically consisting of a vertical arm that moves to different positions to convey instructions. The arm's position indicates whether a train should stop, proceed with caution, or continue at full speed. The arm is usually colored or marked to make it easier for train operators to understand the signal from a distance. Semaphore signals were widely used in the past, but have been largely replaced by modern electronic signals. However, they are still sometimes found in older railways or areas where older signaling systems are preserved.

例句

The train slowed down as the railway semaphore signal showed a red arm, indicating a stop.
当铁路臂板信号机显示红色臂板时，火车减速，表示停止。
When the railway semaphore signal moved its arm to the horizontal position, the train driver knew it was safe to go.
当铁路臂板信号机将其臂移动到水平位置时，火车司机知道可以安全前行。
Railway semaphore signals are commonly seen alongside tracks, helping to control train traffic.
铁路臂板信号常见于轨道旁，有助于控制火车交通。