The phrase "Mind the gap" was coined in around 1968 for a planned automated announcement, after it … See more

Because some platforms on the London Underground are curved, and the rolling stock that use them are straight, an unsafe gap is created when a train stops at a curved platform. In the absence of a device to fill the gap, … See more

The phrase "mind the gap" can be heard at each station along Dublin's DART and at all stations in the city centre. The message can be seen in some train stations in the rest of Ireland. On Commuter and InterCity trains, the … See more

"Mind the gap" is used by transit systems worldwide, particularly when stations curve, but most new systems tend to avoid these types of stations.
• The French version, which is an Alexandrin, "Attention … See more

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• Objects in mirror are closer than they appear – Safety warning on convex mirrors, another safety warning that has become a cultural reference
• Platform gap – Space between a t… See more

• Emma Clarke with demos of her LU announcements See more