Traffic calming
Road hump or series of road humps ahead
What it means
The triangle with the bump symbol warns of a road hump, or a run of them, ahead. They are there to hold traffic speed down, so you will meet them on residential streets, near schools and inside 20 mph zones. Slow before you reach one so you can ride over it smoothly - braking on the hump unsettles the car.
Highway Code Rule 153 — read it on GOV.UK
Test yourself on signs like this one
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