Do Not Pass On Shoulder Signs
SKU# R4-18
The Do Not Pass On Shoulder sign R4-18 MUTCD indicates that drivers are not permitted to use the shoulder of the road to pass other vehicles; this helps to improve safety and reduce the risk of collisions, particularly in areas where the shoulder may be narrow or where vehicles may be parked or stopped.
Do Not Pass On Shoulder 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 10.
PRICE TABLE
High Intensity Prismatic Reflective on .080" Aluminum:
| MATERIAL | SIZE | WORDING | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|---|
High Intensity Prismatic | 18" x 24" High Intensity Prismatic | Do Not Pass On Shoulder | 1 to 4: $58.19 5 to 9: $55.28 10 +: $52.37 |
SKU:R4-18-1824-HIP |
R4-18-1824-HIP |
24" x 30" High Intensity Prismatic | Do Not Pass On Shoulder | 1 to 4: $86.90 5 to 9: $82.56 10 +: $78.21 |
SKU:R4-18-2430-HIP |
R4-18-2430-HIP | |
36" x 48" High Intensity Prismatic | Do Not Pass On Shoulder | 1 to 4: $213.51 5 to 9: $202.83 10 +: $192.16 |
SKU:R4-18-3648-HIP |
R4-18-3648-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 | 18" x 24" Full Cube Prismatic | Do Not Pass On Shoulder | 1 to 4: $66.66 5 to 9: $63.33 10 +: $59.99 |
SKU:R4-18-1824-UPG |
R4-18-1824-UPG |
24" x 30" Full Cube Prismatic | Do Not Pass On Shoulder | 1 to 4: $95.70 5 to 9: $90.92 10 +: $86.13 |
SKU:R4-18-2430-UPG |
R4-18-2430-UPG | |
36" x 48" Full Cube Prismatic | Do Not Pass On Shoulder | 1 to 4: $238.92 5 to 9: $226.97 10 +: $215.03 |
SKU:R4-18-3648-UPG |
R4-18-3648-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 Passing Zone Signs

Catalog Page 9
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Catalog Page 10
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Catalog Page 11
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Specifications:
| Legend: | DO NOT PASS ON SHOULDER |
| MUTCD Sign Code #: | R4-18 |
| Shape: | Vertical Rectangle |
| Color: | BLACK on WHITE |
| Available Sizes and Weights: | Size: 18" x 24"; Ship Weight: 3.7 lbs |
| 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: | R4-18 have a white background color. The text and border are black and it is in the shape of a vertical rectangle. |
| Mounting Hole Placement: | ![]() |
















