School Bus Stop Ahead Symbol Signs
SKU# S3-1
The purpose of the School Bus Stop Ahead (MUTCD S3-1) signs is to warn drivers that they are approaching an area where school buses stop to load or unload students. These signs increase safety for both students and drivers by encouraging motorists to reduce their speed and be prepared to stop, ensuring the well-being of children around the bus stop.
School Bus Stop Ahead Symbol 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 catalog page 28.
PRICE TABLE
High Intensity Prismatic Reflective on .080" Aluminum:
| MATERIAL | SIZE | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|
High Intensity Prismatic | 30" x 30" | 1 to 4: $112.53 5 to 9: $106.90 10 +: $101.28 |
S3-1-3030-HIP | |
| 36" x 36" | 1 to 4: $188.43 5 to 9: $179.01 10 +: $169.59 |
S3-1-3636-HIP |
In Stock - Usually ships same or next business day.
Fluorescent Lime Full Cube Prismatic Reflective on .080" Aluminum:| MATERIAL | SIZE | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|
Fluorescent Yellow Green Full Cube Prismatic | 30" x 30" | 1 to 4: $125.95 5 to 9: $119.65 10 +: $113.36 |
S3-1-3030-FPG | |
| 36" x 36" | 1 to 4: $165.22 5 to 9: $156.96 10 +: $148.70 |
S3-1-3636-FPG |
In Stock - Usually ships same or next business day.
Available Reflective Finishes:
- Most common reflective finish used for traffic signs
- Meets federal minimum requirements
- 10 Year Outdoor Durability
- Brightest and most visible
- Exceeds federal minimum requirements
- 10 Year Outdoor Durability
Other School and Pedestrian Safety Signs

Catalog Page 27
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Catalog Page 28
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Catalog Page 29
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Specifications:
| Legend: | SCHOOL BUS STOP AHEAD SYMBOL |
| MUTCD Sign Code #: | S3-1 |
| Shape: | Diamond |
| Color: | BLACK/RED on YELLOW OR YELLOW GREEN |
| Available Sizes and Weights: | Size: 30" x 30"; Ship Weight: 7.8 lbs |
| Size: 36" x 36"; Ship Weight: 11.2 lbs | |
| Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
| Fluorescent Lime Full Cube Prismatic Reflective on .080" Aluminum | |
| Full Description: | S3-1 have a yellow or yellow green background color. The text and border are black/red and it is in the shape of a diamond. |
| Mounting Hole Placement: | ![]() |































