Regulatory · Rectangle · MUTCD 11th edition
R3-12f Preferential Lane Ahead (post-mounted)
R3-12f Preferential Lane Ahead (post-mounted) sign from the MUTCD 11th edition: 3 standard sizes (30" × 36", 36" × 48", and 48" × 60"), with letter heights, border widths, and colors.
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Standard sizes
| Size | Road type | Border | Corner radius | LettersBUS LANE AHEAD |
|---|---|---|---|---|
| 30" × 36" | Conventional Road, Single LaneConventional Road, Multi-Lane | 3/4" | 1 7/8" | 6"FHWA Series C |
| 36" × 48" | Expressway | 7/8" | 2 1/4" | 8"FHWA Series C |
| 48" × 60" | Freeway | 1 1/4" | 3" | 10"FHWA Series C |
02
Colors
- Legend
- Black
- Background
- White
- Border
- Black
03
Standard reference
- SHS 2024 sheet 2-100 (R3-12f, 30 x 36); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-100 (R3-12f, 36 x 48); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-100 (R3-12f, 48 x 60); MUTCD 11th ed. Table 2B-1
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