19 Oct 2017

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Question about English (US)

What do you call this?
This electric boar says about Speed/Destination/timetable/track No./Other info.
- - - -
1. Electric board of train timetable
2. Electrical train timetable.
3. Electronic message board of train
4. (Do you have any ideas about it?)
does this sound natural?

I would like to know natural English phrase about it.
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English (US) Indonesian

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