Regulatory Signs
Friday 7 February 2014
Standard Sign Shapes
Standard sign shapes and their assigned meanings:
Circle - Exclusively for railroad advance warning signs
Octagon - Exclusively for STOP signs
Crossbuck - Exclusively for railroad grade crossing signs
Pentagon - Used for school advance warning signs and county route marker signs
Diamond - Used for warning signs
Rectangle, Longer Dimension Vertical - Used for regulatory signs
Rectangle, Longer Dimension Horizontal - Used for guide signs, some warning signs, and temporary traffic control signs
Trapezoid - Used for recreational area guide signs and National Forest route markers
Equilateral Triangle, Point Down - Exclusively for YIELD signs
Pennant - Exclusively for No Passing Zone signs
Other shapes - Typically used for route marker signs
Warning Signs
W1 Series Signs - Turn and Curve
W2 Series Signs - Intersection
W3 Series Signs - Advance Traffic Control
W4 Series Signs - Merge and Lane Transition
W5 Series Signs - Width Restriction
W6 Series Signs - Divided Highway
W7 Series Signs - Hill
W8 Series Signs - Pavement Condition
W9 Series Signs - Lane Transition
W10 Series Signs - Railroad and Light Rail
W11 Series Signs - Advance Warning / Crossing
W12 Series Signs - Low Clearance
W13 Series Signs - Advisory Speed
W14 Series Signs - Dead End / No Outlet / No Passing
W15 Series Signs - Playground
W16 Series Signs - Supplemental Plaques
W17 Series Signs - Speed Hump
W18 Series Signs - No Traffic Signs
W20 Series Signs - Work Zone
W21 Series Signs - Road Work
W22 Series Signs - Blasting
W23 Series Signs - Slow Traffic
W24 Series Signs - Double Reverse Curve
W25 Series Signs - Yellow Trap
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