How do you read railroad semaphore signals?
How do you read railroad semaphore signals?
- When the blade is vertical, the light is green and the train can proceed.
- When the blade is at an angle, the light is yellow and the train can approach, but at a restricted speed.
- When the blade is horizontal, the light is red and the train must stop and stay.
What does a white shunt signal mean?
Shunt signals This type of signal is found in all depots and sidings. It is mounted to the ground unlike regular signals. It has three lights in a triangular shape and two white lights mean proceed at caution whereas any other indication should be taken as a stop signal or a malfunction.
What are the railroad signal rules?
Reading Color Light Signals Green indicates clear, the train can proceed. Yellow indicates approach, but at a restricted speed. Be prepared to stop at the next signal. Red indicates stop, the block is currently occupied.
Is there a pattern for the train whistle?
Train Horn Requirements Train horns must be sounded in a standardized pattern of 2 long, 1 short, and 1 long blasts.
Can you judge a train speed accurately?
The parallel lines of the rails converge toward the horizon and fool our minds into thinking the train is farther away than it actually is. It is virtually impossible to accurately judge the speed of a train when these combinations of illusions are present.