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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:

  • 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 in our catalog on page 58.

In Stock - Usually ships same or next business day.



High Intensity Prismatic Reflective on .080" Aluminum:

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


Fluorescent Orange Prismatic Reflective on .080" Aluminum:

MATERIAL SIZE PRICE PER SIGN ADD TO CART Catalog Part #
1 to 2 3 to 5 6 +
Fluorescent Orange Prismatic
Fluorescent Orange Prismatic 		36" x 18" $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



Slow Moving Vehicle
w21-4



Sign Posts

A galvanized u channel postA picture of a green u channel sign postA round post used to install signsA picture of a square post that has holes from top to bottom






Sign Installation Hardware

A picture of different hardware used for sign mountingDifferent break away hardware for safely install signs



Other Work Zone Informational Signs

When Workers Are Present Speeding Fines DoubledSpeeding Fines Doubled When Workers Are PresentTurn Off 2-way Radio And Cell PhoneEnd Blasting ZoneRoad Work Next X MilesEnd Road WorkSlow Traffic AheadSlow Moving VehiclePilot Car Follow Me



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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Specifications:

Legend: SLOW MOVING VEHICLE
MUTCD Sign Code #: W21-4
Shape: Horizontal Rectangle
Color: BLACK on ORANGE
Available 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 Description:

W21-4 have a orange background color. The text and border are black and it is in the shape of a horizontal rectangle.




Why Choose Rice Signs?

Choose Rice Signs for your construction zone sign needs, a company backed by numerous positive reviews from satisfied customers. Not only do we offer an extensive selection of signs in various sizes and materials to suit your needs, but we also guarantee fast shipping. With our wealth of experience and expertise, you can trust us to deliver a product made with precision and quality.



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