“So they work the signals
In a way that we know.
Soon, my signal will be green,
That means we can go!”

All About Signals is a rhyming magazine story.


Thomas explains that signals are something every engine should know. He explains that they can tell the engines to stop, wait, or go. He says that most signals also have lamps which shine different colours depending on their command. The signalmen monitor miles and miles of track on a special television in a signalbox.


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