Sign information
- Federal designation
- R4-1
- Category
- Regulatory
- Device type
- Sign
- MUTCD reference
- §2B.36 • Table 2B-1
- MUTCD reference
- Chapter 2B; see sign-specific section
Size / fabrication
- Conventional — Single Lane: 24 x 30 in.
- Conventional — Multi-Lane: 24 x 30 in.
- Expressway: 36 x 48 in.
- Freeway: 48 x 60 in.
- Minimum: 18 x 24* in.
- Oversized: 36 x 48 in.
* See the cited MUTCD table note for the conditions that apply to this size.
Reference: §2B.36 • Table 2B-1
FHWA Standard Highway Signs
Dimensioned layout
Drawing units: inches (in.) unless noted on the sheet.
Preparing layout…
Application & sources
Controls or restricts road-user behavior as indicated by the legend or symbol.