Q #793 - What is the purpose of a blue circular sign with no red border?
Circular blue signs provide positive instruction, for example by emphasizing particular lanes or routes available to road users or pedestrians. Blue circular signs also provide mandatory instruction, for example by informing a road user that they must turn left ahead.
Give a warning
Give a positive instruction
Give directions
Gives information
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93%
Based on figures from 2017.DVSA National average 47%