W3-1
Stop Ahead Sign
MUTCD W3-1 Stop Ahead sign for approaches with limited sight distance.
The W3-1 warns of a STOP sign ahead where it may not be visible in time to stop, such as after a curve or crest.
Engineer GradeHigh-Intensity PrismaticDiamond Grade
Custom sizes, legends, and municipal logos available. Tell us what you need.
Specifications
| MUTCD Code | W3-1 |
|---|---|
| Shape | Diamond |
| Standard Colors | Black symbol and border on yellow background |
| Legend | Stop ahead symbol |
| Substrate | .080 in. 5052-H38 aluminum |
| Available Sizes | 30x30, 36x36 in. |
| Reflective Grades | Engineer Grade, High-Intensity Prismatic, Diamond Grade |
| Lead Time | 5 business days (made to order) |
Sizes & Variants
6 variants available. Add any to a quote request — we confirm pricing and lead time same business day.
| Part Number | Size | Reflective Grade | |
|---|---|---|---|
| W3-1-30X30-EG | 30x30 in. | Engineer Grade | Add to Quote |
| W3-1-30X30-HIP | 30x30 in. | High-Intensity Prismatic | Add to Quote |
| W3-1-30X30-DG | 30x30 in. | Diamond Grade | Add to Quote |
| W3-1-36X36-EG | 36x36 in. | Engineer Grade | Add to Quote |
| W3-1-36X36-HIP | 36x36 in. | High-Intensity Prismatic | Add to Quote |
| W3-1-36X36-DG | 36x36 in. | Diamond Grade | Add to Quote |
Need Stop Ahead Sign fast?
We fabricate to MUTCD spec and ship nationwide. Toll-free 800-255-4369.