
Signal Ahead Signs

SKU# W3-3
Signal Ahead Sign Details:
- Signal 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 Signal Ahead Signs in our catalog on page 22.
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 4 | 5 to 9 | 10 + | |||||
![]() High Intensity Prismatic |
24" x 24" | Signal Ahead | $62.20 | $59.09 | $55.98 | W3-3-2424-HIP | |
30" x 30" | Signal Ahead | $91.50 | $86.92 | $82.35 | W3-3-3030-HIP | ||
36" x 36" | Signal Ahead | $113.60 | $107.92 | $102.24 | W3-3-3636-HIP | ||
48" x 48" | Signal Ahead | $243.10 | $230.94 | $218.79 | W3-3-4848-HIP |
Engineer Grade Reflective on .080" Aluminum:
MATERIAL | SIZE | WORDING | PRICE PER SIGN | ADD TO CART | Catalog Part # | ||
---|---|---|---|---|---|---|---|
1 to 4 | 5 to 9 | 10 + | |||||
![]() Engineer Grade |
24" x 24" | Signal Ahead | $56.70 | $53.87 | $51.03 | W3-3-2424-ENG | |
30" x 30" | Signal Ahead | $82.90 | $78.75 | $74.61 | W3-3-3030-ENG | ||
36" x 36" | Signal Ahead | $118.10 | $112.19 | $106.29 | W3-3-3636-ENG | ||
48" x 48" | Signal Ahead | $234.10 | $222.39 | $210.69 | W3-3-4848-ENG |
Fluorescent Yellow Prismatic Reflective on .080" Aluminum:
MATERIAL | SIZE | WORDING | PRICE PER SIGN | ADD TO CART | Catalog Part # | ||
---|---|---|---|---|---|---|---|
1 to 4 | 5 to 9 | 10 + | |||||
![]() Fluorescent Yellow Prismatic |
24" x 24" | Signal Ahead | $70.40 | $66.88 | $63.36 | W3-3-2424-FYP | |
30" x 30" | Signal Ahead | $106.10 | $100.79 | $95.49 | W3-3-3030-FYP | ||
36" x 36" | Signal Ahead | $139.70 | $132.71 | $125.73 | W3-3-3636-FYP | ||
48" x 48" | Signal Ahead | $239.40 | $227.43 | $215.46 | W3-3-4848-FYP |
Available Reflective Finishes:
High Intensity Prismatic Reflective | Engineer Grade Reflective | Fluorescent Yellow Prismatic Reflective |
---|---|---|
![]() ![]()
|
![]() ![]()
|
![]() ![]()
|

Click to view

Click to view

Click to view
Signal Ahead Sign Specifications:
Legend: |
SIGNAL AHEAD |
MUTCD Sign Code #: |
W3-3 |
Shape: |
Diamond |
Color: |
BLACK/RED/GREEN on YELLOW |
Available Signal Ahead Sign Sizes and Weights: | Size: 24" x 24"; Ship Weight: 5 lbs |
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 |
Engineer Grade Reflective on .080" Aluminum | |
Fluorescent Yellow Prismatic Reflective on .080" Aluminum | |
Full Signal Ahead Sign Description: |
Signal Ahead Signs have a yellow background color. The text and border are black/red/green. Signal Ahead Signs are diamond shaped. |
Mounting Hole Placement: |
![]() |