3. The functions of road signs
are to provide regulations, warnings, and
guidance information for road users.
Both words and symbols are used to convey
the messages.
5. Traffic sign that
regulate roadways to help drivers use the
roadways in an orderly fashion.
Regulatory sign use the following shapes:
octagon , circular , equilateral triangle with the
point down and vertical rectangle.
The colors used for regulatory sign are red and
white.
7. Give advance warning of
hazards to allow drivers time to safely
minimize risks
Warning sign use the following shapes.
Diamond-shaped, pentagon-shaped and
equilateral triangle shapes.
The colors used for warning signs are yellow,
orange, red and white.
red and white color used for equilateral
triangle shaped with a white background and
red border.
8. Example of warning signs
Yellow
General
Warning
Orange
Construction/
Work Zone
Traffic control
Warning
9. Informative traffic
signs, also known as guide signs. Informative
signs are green, blue or white.
Informative signs are often horizontally
rectangular, while roadway designation signs
can be shaped like shields and or rectangles.
11. Mandatory signs are
road signs which are used to set the
obligations of all traffic which use a specific
area of road. Unlike prohibitory or restrictive
signs, mandatory signs tell traffic what it must
do, rather than must not do.