Territory of Guam Driver's Handbook - Tumon.com

Shapes have meaning.
Octagon (8 Sides) = STOP: Always Red with
White Letters. This sign is the only 8-sided traffic
sign. It always means “danger” and tells you that
you are approaching a street or highway where
you must bring your car to a complete stop, not
entering the crosswalk zone. If you cannot see in
all directions until you can determine that it’s safe to
drive ahead or turn.
Pennant = No Passing Zone: Yellow with Black Letters. It is
located on the left side of the road and points to the
beginning on a no-passing solid-line pavement marking. The
pennant is used in addition to the black and white DO NOT
PASS sign.
Wedge = Yield. The yield sign requires you to give the right of
way to other vehicles which have entered the intersection or are
approaching on the roadway so close as to be hazardous
(Section 3325).
Diamond = Warning: Yellow with Black Letters. These
describe road conditions and hazards ahead or give Notice of
Changes in the highway which you must be Alert for in order to proceed safely.
CROSSROAD SIGNS
4-Way Crossroad Crossroad Road Ends “Y” Intersection
Intersection Ahead on Ahead on You Must Turn Ahead
Ahead Right Left Left or Right
TURN, CURVE AND WINDING ROAD SIGNS
These signs with black symbols on a yellow This sign tells you that a
background are used to warn motorists of twist and bridge ahead is too narrow
turns in the roadways ahead. You may see a small to be crossed safely at
rectangular sign just below the diamond which indicates average speed; you must
the highest safe speed under the best road conditions slow down and drive
that you can use in successfully negotiating the hazards. cautiously across.
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