Where does this come from, and can I check it?

Raised domes underfoot signal a kerb, platform edge or crossing point. The figure is taken from UK Government, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a everyday life fact?

Yes. It sits on the Everyday Life shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Blister dots on paving warn of an edge ahead

Raised domes underfoot signal a kerb, platform edge or crossing point Tactile paving uses two patterns: rows of domes mean a hazard such as a kerb or platform edge, while long bars mean a safe direction to walk. The shapes are read through a cane or underfoot, so they work without sight. Britain standardised the guidance in the 1990s after Japanese and other trials. It sits in Mondo's everyday life collection, one of 200 facts that each trace back to the reference below.

Where this comes from

UK Government

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

Go further

General Knowledge trivia Technology trivia

More facts like this

Elevator buttons feature raised tactile numbers and Braille textTactile markings and audio signals assist visually impaired lift passengers Pedestrian crossing boxes feature spinning tactile cones underneathRotating underside cones notify deaf-blind pedestrians when crossing signals turn green Speed humps are shallow so cars do not scrapeA gentle sine profile about a hundred millimetres high slows traffic without damage Round manhole covers cannot fall through their own openingsCircular geometry prevents street covers from slipping diagonally into shafts A green wave times signals so traffic keeps rollingEach junction changes slightly later so a group of cars meets every green Ceefax carried the first regular TV subtitlesThe BBC slipped subtitle pages into spare lines of the broadcast signal from 1979

Tags: pavements, accessibility, cities

Blister dots on paving warn of an edge ahead: the short answers

Where does this come from, and can I check it?: Raised domes underfoot signal a kerb, platform edge or crossing point. The figure is taken from UK Government, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a everyday life fact?: Yes. It sits on the Everyday Life shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.