Aluminum Mowers Ahead Sign (W21-8)
The Aluminum Mowers Ahead Sign (W21-8) features two top and bottom centered, pre-punched mounting holes and can be easily installed on a post, wall, or fence. Used to warn drivers that mowers are working along the designated roadway. With standard federal radius corners and 3M™ reflective sheeting, this sign meets MUTCD specifications and is designed to be a durable safety solution.
Features:
- 5052-H38 alodized aluminum for durability and corrosion resistance.
- 3/8” mounting holes for quick and easy installation.
- Standard radius corners meet federal requirements.
- MUTCD identifier W21-8.
- 3M™ reflective sheeting.
Options:
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Size
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Best For
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30” x 30”
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For conventional roads and is the minimum size required for official street applications. (MUTCD Compliant)
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36” x 36”
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For high-speed roads and is the minimum size for multi-lane approaches.
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48” x 48”
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For work zones or areas where high speed or traffic volume requires increased emphasis, improved recognition, or increased legibility.
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Reflectivity Level:
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Grade
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Sheeting
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Engineer Grade (EG)
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Increases visibility of signs when light hits their surface. Ideal for parking lots and driveways.
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High Intensity Prismatic (HIP)
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Enhances visibility when viewed at an angle. Recommended by MUTCD as the “best practice” reflective option for roadways and other high traffic areas.
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Specifications:
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Corners
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standard federal radius
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Finish
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reflective
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Hole diameter
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3/8"
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Hole placement
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top and bottom centered
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Hole quantity
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2
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Legend
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Mowers Ahead
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Material
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aluminum
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Shape
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diamond
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Thickness
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0.80"
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MUTCD Identifier
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W21-8
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Ink Color
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black
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Sheeting color
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orange
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