Shapes and Their Uses
OCTAGON
Stop Sign Only
EQUILATERAL TRIANGLE
(POINTED DOWN)
Yield Sign Only
CIRCLE
Railroad Grade Crossing
(Advance Warning)
Emergency Evacuation Route Marker
PENNANT SHAPE
(HORIZONTAL ISOSCELES TRIANGLE)
No Passing Zone Only
REGULAR PENTAGON POINTED UP
School and School Crossing Only
CROSSBUCK (X)
Railroad Crossing
DIAMOND
Most Warning Signs
RECTANGLE WITH LONGER VERTICAL
Most Regulatory Signs
Some Recreation Signs
Some Warning Signs
RECTANGLE WITH LONGER HORIZONTAL
Most Guide Signs
Some Warning Signs
SQUARE
Federal Recreation Symbols
TRAPEZOID HORIZONTAL, WIDER TOP
Recreation Site Entrance
TRAPEZOID SMALL VERTICAL
Site Approach Guide Sign
TRAPEZOID TILTED LARGE HORIZONTAL
Major Forest Entrance/Exit
Rural Administrative Sign
TRAPEZOID TILTED SMALL VERTICAL
Minor Forest Entrance/Exit
PENTAGON IRREGULAR TILTED
Wilderness Entrance/Exit
PENTAGON IRREGULAR LEFT /RIGHT PANELS
Wilderness Sign
SHIELD POINTED
Forest Service Shield
SHIELD CURVED
Wild & Scenic River System
SHIELD TRIANGULAR
Scenic Trails
Fee Area