Indicators on the Subway and Bus
announcements about the approach of a train but most times those announcements are so muffled that nobody has a clue about the status of the said train. Currently most commuters (including yours truly) track a delayed train by almost hanging over the platform and craning their necks in order to catch sight of the red light which indicates the approach of a train wouldn't an electronic indicator be a civilized solution to this problem?
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