Regulatory · Rectangle · MUTCD 11th edition
R4-9a Stay in Lane to Merge Point
R4-9a Stay in Lane to Merge Point sign from the MUTCD 11th edition: standard size (36" × 48"), with letter heights, border widths, and colors.
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Standard sizes
| Size | Road type | Border | Corner radius | LettersSTAY IN LANE | LettersTO MERGE POINT |
|---|---|---|---|---|---|
| 36" × 48" | Conventional Road, Single LaneConventional Road, Multi-LaneExpresswayFreeway | 7/8" | 2 1/4" | 5 1/2"FHWA Series D | 5 1/2"FHWA Series C |
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Colors
- Legend
- Black
- Background
- White
- Border
- Black
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Standard reference
- SHS 2024 sheet 5-5 (R4-9a, 36 x 48); MUTCD 11th ed. Appendix B5 (temporary traffic control)
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