Mind the gap

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"Mind the gap" tile mosaic on a platform at Victoria station in London
A platform at Bank station in London with a 1-foot (30 cm) gap between the train and the platform edge.
A typical "mind the gap" warning sign found on the Toronto subway and RT
"Mind the gap" sign on a Hong Kong MTR train

"Mind the gap" is an audible or visual warning phrase issued to rail passengers in the UK (and elsewhere) to take caution while crossing the horizontal, and in some cases vertical, spatial gap between the train door and the station platform.

The phrase was first introduced in 1969 on the London Underground in the United Kingdom. The phrase is also associated with souvenir T-shirts that Transport for London sells, featuring the warning printed over the network's roundel logo.

Origin of the phrase

The phrase "Mind the gap" was coined in around 1968 for a planned automated announcement, after it had become impractical for drivers and station attendants to warn passengers. London Underground chose digital recording using solid state equipment with no moving parts.[dubious ] As data storage capacity was expensive, the phrase had to be short. A concise warning was also easier to paint onto the platform.

The equipment was supplied by AEG Telefunken. According to the Independent on Sunday, sound engineer Peter Lodge, who owned Redan Recorders in Bayswater, working with a Scottish Telefunken engineer, recorded an actor reading "Mind the gap" and "Stand clear of the doors please", but the actor insisted on royalties and the phrases had to be re-recorded. Lodge read the phrases to line up the recording equipment for level and those were used.[citation needed]

While Lodge's recording is still in use, some lines use other recordings. One was recorded by voice artist Emma Clarke. Others, on the Piccadilly line for example, are by Tim Bentinck.

At least 10 stations were supplied with announcers manufactured by PA Communications Ltd. of Milton Keynes. The recorded voice is that of Keith Wilson, their industrial sales manager at the time (May 1990). It can still be heard, at Paddington for example.

In March 2013 it was reported that an old "Mind the gap" recording by the actor Oswald Laurence would be restored to Embankment station so that the actor's widow could hear his voice.[1]

London Underground

File:Mind the gap.ogg
"Mind the gap" announcements being made on the Bakerloo line platform at Paddington station in London

Because some platforms on the London Underground are curved and the rolling stock that uses 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, some form of visual and auditory warning is needed to advise passengers of the risk of being caught unaware and sustaining injury by stepping into the gap. The phrase "Mind the gap" was chosen for this purpose and can be found painted along the edges of curved platforms as well as heard on recorded announcements played when a train arrives at many Underground stations.

The recording is also used where platforms are non-standard height. Deep-level tube trains have a floor height around 200 mm (8 inches) less than sub-surface stock trains. Where trains share platforms, for example some Piccadilly line (deep-tube) and District line (sub-surface) stations, the platform is a compromise. On London's Metropolitan line, a gap has been created between the train and the platform edge at Aldgate and Baker Street stations. This is due to the phasing out of the old 'A' stock trains and their replacement with 'S' stock trains, which have low floors to ease accessibility for disabled people.

"Mind the gap" audible warnings are most notably played on the Central line platforms at Bank, the Northern line northbound platform at Embankment, and the Bakerloo line platforms at Piccadilly Circus. There are markings on the platform edge which usually line up with the doors on the cars.

While the message is often played on some lines over the platform's public address system, it is also becoming more common as an arrival message inside the train itself: "Please mind the gap between the train and the platform."

The phrase worldwide

In trains

File:Warning signal in the Metro Athens.jpg
"Mind the gap" sticker in an Athens Metro train, in both Greek and English
File:Metro North gap sign.jpg
"Watch the gap" variant used on Metro-North in New York
File:Mind the gap Chinglish sign in Shanghai.jpg
Chinglish interpretation of "Mind the gap" on a ferry dock in Shanghai

"Mind the gap" is used by transit systems worldwide, particularly when there are stations on curves, but most new systems tend to avoid these types of stations.


  • In Dublin's DART, the phrase "mind the gap" is announced at each station along the line. "Mind the gap" signage is also present at all stations in the city centre. In the rest of Ireland, the message can be seen on some train stations as well. On Commuter and InterCity trains, the announcement "Please mind the gap" is accompanied by the Irish "Seachain an Bhearna le do thoil" when pulling into stations.
  • The French version, which is an alexandrine, "Attention à la marche en descendant du train" ("Watch your step while getting off the train"), is occasionally written on signals on the platforms in the Paris Métro and can be heard in RER trains. Some newer Métro trains also play this announcement in Italian, English, German, Japanese and Spanish.
  • In the Athens Metro, the message "Mind the gap between the train and the platform" is heard in both Greek and English language at the station of Monastiraki.
  • In Stockholm's tunnelbana and on Stockholm commuter rail's stations two versions can be heard: "Tänk på avståndet mellan vagn och plattform när Du stiger av", meaning "Mind the distance between carriage and platform when you exit". It is also be displayed as text on electronic displays.
  • On the Berlin U-Bahn the phrase "Bitte beachten Sie beim Aussteigen die Lücke zwischen Zug und Bahnsteigkante" (Please mind the gap between train and platform edge when alighting) is used, followed by the English "mind the gap between platform and train."
  • On the Madrid Metro, a recorded warning message can be heard inside the trains when approaching a station with curved platforms: "Atención: estación en curva. Al salir, tengan cuidado para no introducir el pie entre coche y andén." (Caution: station on a curve. As you exit, be careful not to place your foot between the train and the platform.) No warning messages are heard when arriving at a station with straight platforms.
  • In Amsterdam's Schiphol Airport, "mind your step" can be heard when approaching the end of a moving walkway.
  • On the Lisbon Metro at the Marquês de Pombal station on the blue line, the announcement "Atenção ao intervalo entre o cais e o comboio" (Pay attention to the gap between the platform and the train) can be heard.
  • On all of the trains of the Milan Metro network, a yellow triangular sticker on every door is clearly visible with the warning “Attenzione allo spazio fra treno e banchina” meaning literally “Pay attention to the gap between the train and the platform” both in italian and in english language.

Asia and Oceania

  • In Singapore's MRT, the phrase is used in announcements in English, played in the trains whenever a train approaches an underground station after the station's name has been announced twice. It is also played on underground station platforms just after the train doors open, or sometimes, just as the train approaches the platform. Trains also have stickers pasted on the windows to caution passengers.
  • The phrase can be heard in New Delhi Metro in two languages (English and Hindi): "(कृपया) दूरी का ध्यान रखें" (Mind the gap).
  • Several Chinese metro systems use the phrase extensively; on the Tianjin Metro, stickers on train doors, platforms and announcements mention the gap (as well as to "mind the gap") in both English and Chinese. (The Chinese phrase is 小心站台空隙.) Some Tianjin Metro stations are on slight curves. The Beijing Subway uses Mind the Gaps (note the plural). (In the recently opened Line 4, the phrase has gained more prominence, being played in the station every time a train comes in and, in some trains, every time before arriving at a stop.) Both the Shanghai Metro and the Nanjing Metro use versions with slightly mutilated grammar ("Caution, Gap" and "Care the Gap", respectively, although the Chinese is the same).[citation needed]
  • In Hong Kong's MTR, the phrase "Please mind the gap" (請小心月台空隙) is announced in three languages, namely, Cantonese, English and Mandarin. In recent years, a more elaborate version of the announcement, heard on some East Rail Line stations with very curved platforms, says "Please mind the gap and be aware of the difference in levels between the platform and the train" (請小心空隙及留意月台與車廂地面的高低).
  • On the Manila Metro Rail Transit System, a pre-recorded message is played at certain stations reminding passengers to "watch your step and watch the gap between the train and the platform as you get on and off the train". This is simplified in its Filipino translation, which simply reminds passengers to be careful in boarding and alighting the train.
  • On most Sydney Trains stations, there is an automated announcement reminding passengers to mind the gap as well as posters informing riders about the number of people who fall down the gap each year.
  • On many trains in Japan, the message "電車とホームの間は広く空いておりますので、ご注意下さい" is spoken. This means "there is a wide space between the train and the platform, so please be careful." The phrase "足元にお気をつけ下さい" is also common, which means "please mind your step."
File:Mind the Gap MRT Thailand.ogg
Bangkok underground train announcement
  • In Thailand, the announcement is used a little bit differently from the London one. On Bangkok underground trains and Airport Rail Link trains, it says, "Please mind the gap between train and platform". Some grammarians argue that as specific and countable nouns, the words "train" and "platform" should be preceded by "the". Also, the Thai language version of the announcement does not refer to a "gap" but simply translates to "Please be careful when stepping out of the train". However, in the Bangkok skytrain stations, the Thai translation mentions the "gap" as heard "Attention, passengers, while entering and exiting the train, please mind the gap between the platform and the train. Thank you!" and its English announcement says, "Attention, please mind the gap between train and platform. Thank you!"
  • Signs on ferry docks in Shanghai render the phrase in Chinglish as "Note that the level of gap."
  • Adelaide Metro trains conclude automated station announcements with the reminder ‘Please mind the gap when alighting from the train’.


  • In early 2009 the phrase was also being used on Metro Transit (King County) buses in and around Seattle, Washington.[2]
  • At the stations of the São Paulo Metro and CPTM in São Paulo, Brazil the sentence that can be heard is "Cuidado com o vão entre o trem e a plataforma" (Mind the gap between the train and the platform).
  • At almost all stations of SuperVia, Rio de Janeiro suburban trains, the driver announces "Observe o espaço entre o trem e a plataforma" (Watch the space between the train and the platform), and sometimes "observe o desnível entre o trem e a plataforma" (Watch the level difference between the train and the platform).
  • In the Rio de Janeiro Metro, the phrase "Observe atentamente o espaço entre o trem e a plataforma – Mind the gap" also can be heard.
  • The New York City-area Long Island Rail Road, Metro-North, and New Jersey Transit[3] use signs that read "watch the gap" on trains and platforms, and, owing to reports of people falling through the gap, a warning is now played at every station and with automated announcements on board the trains on all three railroads.
  • Plaques on Toronto subway and RT station platforms warn riders to "mind the gap". Announcements about the warning on the public announcement system in each station can also be heard intermittently.
  • In the United States, the standard Amtrak conductor announcement when approaching any station stop concludes with "Mind the gap between the train and the platform."
  • On the Buenos Aires Metro, warnings on platform floors and on the door windows in the trains read "Cuidado con el espacio entre el tren y el andén." ("Mind the gap between train and platform.").[4]

Other uses

Mind the gap doormat

Despite its origin as a utilitarian safety warning, "Mind the gap" has become a stock phrase, and is used in many other contexts having little to do with subway safety.

For example, it has been used as the title of at least two music albums by Scooter and Tristan Psionic, a film, and a novel, as the name of a movie production company, a theatre company, and a board game.[5]

At least four non-fiction book titles use "Mind the Gap" as their primary title – the books are about generations, class divides, social science policy and the origins of human universals.

It is used in many video and mobile games, including Portal, Call of Duty: Modern Warfare 3, Halo, Where's My Water, Killing Floor, Amazing Alex, Armadillo Run and BioShock Infinite, and in animated series such as The Clone Wars,[6] usually in an ironic context. A soldier in Captain America: The First Avenger says it, humorously, before they descend via zip-line onto a moving train across snowy mountain peaks. It was a prominent utterance by the subterranean cannibal killer of the 1972 movie Death Line.[7] The phrase is also featured in the soundtrack of the game Timesplitters: Future Perfect in the Subway level.[8]

It is also the title of a Noisettes song on their album What's the Time Mr. Wolf?. The phrase is used in the songs "Deadwing" by Porcupine Tree, "Bingo" by Madness, "Someone in London" by Godsmack, Metal Airplanes by Matthew Good and "New Frontier" by the Counting Crows. Emma Clarke, one of the voices of the London Underground, has released a Mind The Gap single. It features spoof London Underground announcements.[9] The Portuguese hip hop group Mind Da Gap was also inspired in this stock phrase.[10]

The phrase was used as the name for a campaign in December 2010 to lobby the UK Government to allow Gap Year students to defer their university place and not pay the higher tuition fees in September 2012.[11]

The Karotz wi-fi rabbit occasionally says "Mind the gap!" at random as part of the 'mood' setting.

The phrase has been used to name a combinatorial optimization problem.[12]

The message is also the inspiration behind the name of Hans Rosling's 'Gapminder' software.

The phrase was the title of a 1999 game show hosted by Paul Ross, made for ITV by Carlton Television.

See also


  1. "Mind the Gap returns after wife's plea". BBC News. 9 March 2013. Retrieved 9 March 2013.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. four12 No real name given. "Mind the gap (Seattle style) | Flickr – Photo Sharing!". Flickr. Retrieved 2010-10-24.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. "NJ Transit Rail and Light Rail Safety".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. "Metrovías coloca advertencias en andenes y puertas de formaciones". enelSubte.com. Retrieved 2014-05-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. "Mind the Gap (2004)".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. "Star Wars: The Clone Wars – "Destroy Malevolence" Review".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. "George Clooney to Receive Cecil B. DeMille Award at Golden Globes 22 hours ago". IMDb. 1 September 1973. Retrieved 16 September 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. "Search Results for "timesplitters: future perfect" - IGN". IGN. Retrieved 16 September 2014.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. "Mind The Gap with Emma Clarke".<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  10. 楽しい夜遊びは風俗で!デリヘルを活用しましょう。. "楽しい夜遊びは風俗で!デリヘルを活用しましょう。". Minddagap.info. Retrieved 2014-05-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  11. "Mind the Gap Campaign « Bnei Akiva UK". Bauk.org. Retrieved 2014-05-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  12. "Mind the gap: A study of Tube tour". Dx.doi.org. 2012-11-30. Retrieved 2014-05-25.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links