Regulatory · Rectangle · California MUTCD
R48-2(CA) Speed Enforced By Aircraft
R48-2(CA) Speed Enforced By Aircraft sign from the California MUTCD: 4 standard sizes (18" × 24", 24" × 30", 36" × 48", and 48" × 60"), with letter heights, border widths, and colors.
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Standard sizes
| Size | Road type | Border | Corner radius | LettersSPEED ENFORCED BY AIRCRAFT |
|---|---|---|---|---|
| 18" × 24" | — | 1/2" | 1 1/2" | 3"FHWA Series C |
| 24" × 30" | — | 5/8" | 1 1/2" | 4"FHWA Series C |
| 36" × 48" | — | 7/8" | 2 1/4" | 6"FHWA Series C |
| 48" × 60" | — | 1 1/4" | 3" | 8"FHWA Series C |
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Colors
- Legend
- Black
- Background
- White
- Border
- Black
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Standard reference
- Caltrans sign specification R48-2(CA) dated 6/1/04 (18x24 in)
- Caltrans sign specification R48-2(CA) dated 6/1/04 (24x30 in)
- Caltrans sign specification R48-2(CA) dated 6/1/04 (36x48 in)
- Caltrans sign specification R48-2(CA) dated 6/1/04 (48x60 in)
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