Regulatory · Rectangle · California MUTCD
R6-4a(CA) All Vehicles When Towing Right 2 Lanes Only
R6-4a(CA) All Vehicles When Towing Right 2 Lanes Only sign from the California MUTCD: standard size (54" × 66"), with letter heights, border widths, and colors.
01
Standard sizes
| Size | Road type | Border | Corner radius | LettersALL VEHICLES | LettersWHEN TOWING | LettersRIGHT ONLY | Letters2 LANES |
|---|---|---|---|---|---|---|---|
| 54" × 66" | — | 1 1/4" | 3" | 6"FHWA Series C | 6"FHWA Series D | 8"FHWA Series D | 8"FHWA Series C |
02
Colors
- Legend
- Black
- Background
- White
- Border
- Black
03
Standard reference
- Caltrans sign specification R6-4a(CA) dated 4/15/05 (54x66 in)
04
