Warning Signs
SA-SO offers a wide variety of warning signs that meet or exceed Federal Highway Administration (FHWA) Standards. SA-SO ground-mounted warning signs are made from reflective .080" aluminum and are compliant with DOT / MUTCD standards. SA-SO uses ASTM Type II Super Engineer Grade (SEG) sheeting on reflective signs at no additional cost.
Warning Signs
- All signs on this page are printed on .080 aluminum and sheeted with Super Engineer Grade (SEG) reflective material
- Part numbers with the letter suffix "H", denote 30" x 30" signs (unless otherwise noted) with a reflective surface
- For different sizes, please refer to the chart below for the proper letter designation
Suffix | Size & Finish |
C | 24" x 24" |
K | 36" x 36" |
P | 24" x 18" |
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Part No. 01169 MUTCD W1-1R |
Part No. 01172 MUTCD W1-1L |
Part No. 01139 MUTCD W1-2R |
Part No. 01142 MUTCD W1-2L |
Part No. 09384 MUTCD W3-1 |
Part No. 01181 MUTCD W1-4L |
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Part No. 01213 MUTCD W8-1 |
Part No. 01070 MUTCD W14-1 |
Part No. 09121 MUTCD W14-2 |
Part No. 01109 MUTCD W8-6 |
Part No. 09104 MUTCD W11-2 |
Part No. 09644 MUTCD W13-1 Specify Speed |
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Part No. 09725 MUTCD 3aP 24" x 18" Specify Distance |