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Slow Moving Vehicle Signs



Slow Moving Vehicle Sign

SKU# W21-4

Customer Reviews

The MUTCD W21-4 Slow Moving Vehicle Sign is a warning sign used to indicate the presence of slow-moving vehicles, such as tractors or construction equipment, on the road. Its purpose is to alert drivers to be cautious and prepared to adjust their speed, ensuring safe navigation and reducing the risk of collisions.


Slow Moving Vehicle Sign Details:

  • Slow Moving Vehicle Sign is manufactured on durable rust-proof .080" aluminum
  • Pre-punched 3/8" mounting holes in top and bottom for easy installation.
  • Meets M.U.T.C.D. specifications for highway use.
  • See Slow Moving Vehicle Signs in our catalog on page 58.

In Stock - Usually ships same or next business day.



High Intensity Prismatic Reflective on .080" Aluminum:

MATERIAL SIZE WORDING PRICE PER SIGN ADD TO CART Catalog Part #
1 to 2 3 to 5 6 +
High Intensity Prismatic
High Intensity Prismatic		 36" x 18" Slow Moving Vehicle $72.71 $65.44 $61.80
W21-4-3618-HIP


Fluorescent Orange Prismatic Reflective on .080" Aluminum:

MATERIAL SIZE WORDING PRICE PER SIGN ADD TO CART Catalog Part #
1 to 2 3 to 5 6 +
Fluorescent Orange Prismatic
Fluorescent Orange Prismatic		 36" x 18" Slow Moving Vehicle $84.59 $76.13 $71.90
W21-4-3618-FLO



Available Reflective Finishes:

High Intensity Prismatic Reflective Fluorescent Orange Prismatic Reflective
High Intensity Prismatic
Pick traffic sign finish
  • Most common reflective finish used for traffic signs
  • Meets federal minimum requirements
  • 10 Year Outdoor Durability
 Fluorescent Orange Prismatic
Pick traffic sign finish
  • Brightest and most visible
  • Exceeds federal minimum requirements
  • 10 Year Outdoor Durability



Related Products

Slow Moving Vehicle
Slow Moving Vehicle
W21-4
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Rice Signs Catalog Page 53Catalog Page 53
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Rice Signs Catalog Page 54Catalog Page 54
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Rice Signs Catalog Page 55Catalog Page 55
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Rice Signs Catalog Page 56Catalog Page 56
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Rice Signs Catalog Page 57Catalog Page 57
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Rice Signs Catalog Page 58Catalog Page 58
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Rice Signs Catalog Page 59Catalog Page 59
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Rice Signs Catalog Page 60Catalog Page 60
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Slow Moving Vehicle Sign Specifications:

Legend:

 SLOW MOVING VEHICLE

MUTCD Sign Code #:

 W21-4

Shape:

 Horizontal Rectangle

Color:

 BLACK on ORANGE

Available Slow Moving Vehicle Sign Sizes and Weights:

Size: 36" x 18"; Ship Weight: 5.6 lbs

Available Styles:

High Intensity Prismatic Reflective on .080" Aluminum
Fluorescent Orange Prismatic Reflective on .080" Aluminum

Full Slow Moving Vehicle Sign Description:

 Slow Moving Vehicle Signs have a orange background color. The text and border are black. Slow Moving Vehicle Signs are horizontal rectangle shaped.








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