W4-1
Merge Warning Sign
MUTCD W4-1 Merge sign warning where two roadways converge.
The W4-1 warns drivers that traffic may be merging from an entering roadway. Specify left or right merge.
Engineer GradeHigh-Intensity PrismaticDiamond Grade
Custom sizes, legends, and municipal logos available. Tell us what you need.
Specifications
| MUTCD Code | W4-1 |
|---|---|
| Shape | Diamond |
| Standard Colors | Black symbol and border on yellow background |
| Legend | Merge symbol |
| Substrate | .080 in. 5052-H38 aluminum |
| Available Sizes | 30x30, 36x36, 48x48 in. |
| Reflective Grades | Engineer Grade, High-Intensity Prismatic, Diamond Grade |
| Lead Time | 5 business days (made to order) |
Sizes & Variants
9 variants available. Add any to a quote request — we confirm pricing and lead time same business day.
| Part Number | Size | Reflective Grade | |
|---|---|---|---|
| W4-1-30X30-EG | 30x30 in. | Engineer Grade | Add to Quote |
| W4-1-30X30-HIP | 30x30 in. | High-Intensity Prismatic | Add to Quote |
| W4-1-30X30-DG | 30x30 in. | Diamond Grade | Add to Quote |
| W4-1-36X36-EG | 36x36 in. | Engineer Grade | Add to Quote |
| W4-1-36X36-HIP | 36x36 in. | High-Intensity Prismatic | Add to Quote |
| W4-1-36X36-DG | 36x36 in. | Diamond Grade | Add to Quote |
| W4-1-48X48-EG | 48x48 in. | Engineer Grade | Add to Quote |
| W4-1-48X48-HIP | 48x48 in. | High-Intensity Prismatic | Add to Quote |
| W4-1-48X48-DG | 48x48 in. | Diamond Grade | Add to Quote |
Need Merge Warning Sign fast?
We fabricate to MUTCD spec and ship nationwide. Toll-free 800-255-4369.