Road Machinery Ahead Signs
What is the purpose of the Road Machinery Ahead sign? It is used to warn drivers that they are approaching a section of road where heavy equipment is being used for construction or maintenance, signaling them to proceed with caution.
What does Road machinery mean? It refers to the various types of heavy equipment and vehicles specifically designed for constructing and maintaining roads and highways.
What are examples of road machinery? Examples include road rollers for compacting surfaces, asphalt pavers for laying asphalt, graders for leveling surfaces, excavators for digging and moving earth, and snowplows for clearing snow.
What does Road machinery mean? It refers to the various types of heavy equipment and vehicles specifically designed for constructing and maintaining roads and highways.
What are examples of road machinery? Examples include road rollers for compacting surfaces, asphalt pavers for laying asphalt, graders for leveling surfaces, excavators for digging and moving earth, and snowplows for clearing snow.
Road Machinery Ahead Sign Details:
- Road Machinery Ahead 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 Road Machinery Ahead Signs in our catalog on page 56.
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 |
30" x 30" | Road Machinery Ahead | $95.37 | $85.83 | $81.06 | W21-3-3030-HIP | |
36" x 36" | Road Machinery Ahead | $145.97 | $131.37 | $124.07 | W21-3-3636-HIP | ||
48" x 48" | Road Machinery Ahead | $226.93 | $204.24 | $192.89 | W21-3-4848-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 |
30" x 30" | Road Machinery Ahead | $111.87 | $100.68 | $95.09 | W21-3-3030-FLO | |
36" x 36" | Road Machinery Ahead | $154.77 | $139.29 | $131.55 | W21-3-3636-FLO | ||
48" x 48" | Road Machinery Ahead | $245.19 | $220.67 | $208.41 | W21-3-4848-FLO |
Available Reflective Finishes:
High Intensity Prismatic Reflective | Fluorescent Orange Prismatic Reflective |
---|---|
![]() ![]()
|
![]() ![]()
|
Related Products |
---|
![]() Road Machinery Ahead W21-3 Order |

Click to view

Click to view

Click to view

Click to view

Click to view

Click to view

Click to view

Click to view
Road Machinery Ahead Sign Specifications:
Legend: |
ROAD MACHINERY AHEAD |
MUTCD Sign Code #: |
W21-3 |
Shape: |
Diamond |
Color: |
BLACK on ORANGE |
Available Road Machinery Ahead Sign Sizes and Weights: | Size: 30" x 30"; Ship Weight: 7.8 lbs |
Size: 36" x 36"; Ship Weight: 11.2 lbs | |
Size: 48" x 48"; Ship Weight: 19.9 lbs | |
Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
Fluorescent Orange Prismatic Reflective on .080" Aluminum | |
Full Road Machinery Ahead Sign Description: |
Road Machinery Ahead Signs have a orange background color. The text and border are black. Road Machinery Ahead Signs are diamond shaped. |
Mounting Hole Placement: |
![]() |