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Circles, triangles and rectangles by function.
Also known as: GB road sign families, China road sign shapes
The Chinese road sign scheme dividing signs into prohibitory circles, warning triangles and guide rectangles.
Divides Chinese road signs into prohibitory, warning and guide families by shape.
Contexts: Road signage, Public information
Follows the Vienna Convention shapes, so China, Korea and Brazil's regulatory signs share an outline that Mexico's and the United States' do not.
Contexts: Road signage, Public information
A circle with a coloured border for prohibition, a triangle standing on its base for warning, and a rectangle for guidance.