Geographical Feature Signs
A Geographical Feature River sign is a roadside marker that informs travelers about the presence or crossing of a river or significant waterway, providing geographical context and enriching the understanding of the surrounding landscape. These signs typically display the name of the river or waterway, helping drivers and passengers to identify notable natural features as they travel. This sign can be made with any river name. The price of the sign will be adjusted for rivers with longer names.
Geographical Feature 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.
| MATERIAL | SIZE | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|
High Intensity Prismatic | 36" x 18" | 1 to 4: $139.48 5 to 9: $132.51 10 +: $125.53 |
I-3-3618-HIP | |
| 72" x 36" | 1 to 4: $477.51 5 to 9: $453.63 10 +: $429.76 |
I-3-7236-HIP |
In Stock - Usually ships same or next business day.
Full Cube Prismatic Reflective on .080" Aluminum:| MATERIAL | SIZE | PRICE | ADD TO CART | Catalog Part # |
|---|---|---|---|---|
Full Cube Prismatic | 36" x 18" | 1 to 4: $154.77 5 to 9: $147.03 10 +: $139.29 |
I-3-3618-UPG | |
| 72" x 36" | 1 to 4: $643.06 5 to 9: $610.91 10 +: $578.75 |
I-3-7236-UPG |
In Stock - Usually ships same or next business day.
Available Reflective Finishes:
| High Intensity Prismatic Reflective | Full Cube Prismatic Reflective |
|---|---|
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Other General Information Signs

Catalog Page 34
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Catalog Page 35
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Catalog Page 36
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Specifications:
| Legend: | GEOGRAPHICAL FEATURE |
| MUTCD Sign Code #: | I-3 |
| Shape: | Horizontal Rectangle |
| Color: | WHITE on GREEN |
| Available Sizes and Weights: | Size: 36" x 18"; Ship Weight: 5.6 lbs |
| Size: 72" x 36"; Ship Weight: 22.4 lbs | |
| Available Styles: | High Intensity Prismatic Reflective on .080" Aluminum |
| Full Cube Prismatic Reflective on .080" Aluminum | |
| Full Description: | I-3 have a green background color. The text and border are white and it is in the shape of a horizontal rectangle. |
































