Minimum Speed Signs
SKU# R2-4P
The Minimum Speed sign, MUTCD R2-4p, indicates the minimum safe speed a driver must travel on a particular road or highway, usually in situations where the normal speed limit is not safe or appropriate. It helps to promote safe and efficient traffic flow, particularly on highways, by ensuring that drivers maintain a minimum speed that is consistent with safe driving practices. This sign can be made with any speed.
Minimum Speed 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 6.
PRICE TABLE
High Intensity Prismatic Reflective on .080" Aluminum:
| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
High Intensity Prismatic | 24" x 30" High Intensity Prismatic | Minimum Speed | 1 to 4: $86.90 5 to 9: $82.56 10 +: $78.21 |
SKU:R2-4P-2430-HIP |
R2-4P-2430-HIP |
36" x 48" High Intensity Prismatic | Minimum Speed | 1 to 4: $213.51 5 to 9: $202.83 10 +: $192.16 |
SKU:R2-4P-3648-HIP |
R2-4P-3648-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 30" Full Cube Prismatic | Minimum Speed | 1 to 4: $95.70 5 to 9: $90.92 10 +: $86.13 |
SKU:R2-4P-2430-UPG |
R2-4P-2430-UPG |
36" x 48" Full Cube Prismatic | Minimum Speed | 1 to 4: $238.92 5 to 9: $226.97 10 +: $215.03 |
SKU:R2-4P-3648-UPG |
R2-4P-3648-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 Speed Limit Signs

Catalog Page 5
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Catalog Page 6
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Catalog Page 7
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Specifications:
| Legend: | MINIMUM SPEED |
| MUTCD Sign Code #: | R2-4P |
| Shape: | Vertical Rectangle |
| Color: | BLACK on WHITE |
| Available Sizes and Weights: | Size: 24" x 30"; Ship Weight: 6.2 lbs |
| Size: 36" x 48"; Ship Weight: 14.9 lbs | |
| Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
| Full Cube Prismatic Reflective on .080" Aluminum | |
| Full Description: | R2-4P have a white background color. The text and border are black and it is in the shape of a vertical rectangle. |
| Mounting Hole Placement: | ![]() |






















