No U-Turn Signs
SKU# R3-4
The purpose of the No U-Turn Sign (MUTCD R3-4) is to inform drivers that making U-turns is prohibited at a specific location, often due to limited visibility or unsafe conditions. This sign helps to maintain traffic flow and reduce the risk of accidents by preventing drivers from making potentially dangerous maneuvers.
MUTCD R3-4 Guidance
No U-Turn 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 7.
PRICE TABLE
High Intensity Prismatic Reflective on .080" Aluminum:
| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
High Intensity Prismatic | 24" x 24" High Intensity Prismatic | No U-Turn | 1 to 4: $83.49 5 to 9: $79.32 10 +: $75.14 |
SKU:R3-4-2424-HIP |
R3-4-2424-HIP |
30" x 30" High Intensity Prismatic | No U-Turn | 1 to 4: $112.53 5 to 9: $106.90 10 +: $101.28 |
SKU:R3-4-3030-HIP |
R3-4-3030-HIP | |
36" x 36" High Intensity Prismatic | No U-Turn | 1 to 4: $188.43 5 to 9: $179.01 10 +: $169.59 |
SKU:R3-4-3636-HIP |
R3-4-3636-HIP |
In Stock - Usually ships same or next business day.
Full Cube Prismatic Reflective on .080" Aluminum:| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
Full Cube Prismatic | 24" x 24" Full Cube Prismatic | No U-Turn | 1 to 4: $93.28 5 to 9: $88.62 10 +: $83.95 |
SKU:R3-4-2424-UPG |
R3-4-2424-UPG |
30" x 30" Full Cube Prismatic | No U-Turn | 1 to 4: $125.40 5 to 9: $119.13 10 +: $112.86 |
SKU:R3-4-3030-UPG |
R3-4-3030-UPG | |
36" x 36" Full Cube Prismatic | No U-Turn | 1 to 4: $212.63 5 to 9: $202.00 10 +: $191.37 |
SKU:R3-4-3636-UPG |
R3-4-3636-UPG |
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 Turn Prohibited Signs

Catalog Page 6
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Catalog Page 7
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Catalog Page 8
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Specifications:
| Legend: | NO U-TURN |
| MUTCD Sign Code #: | R3-4 |
| Shape: | Square |
| Color: | RED/BLACK on WHITE |
| Available 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 | |
| Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
| Full Cube Prismatic Reflective on .080" Aluminum | |
| Full Description: | R3-4 have a white background color. The text and border are red/black and it is in the shape of a square. |















