Regulatory sign
R4-8c — Narrow Keep Left
R4-8c (Narrow Keep Left) is an official MUTCD traffic sign designation within the regulatory sign family. Standard vector graphics are published by FHWA under Standard Highway Signs.
- Designation
- R4-8c
- Official sign name
- Narrow Keep Left
- Sign family
- Regulatory
- Sign series
- R4 Series
- Primary source
- FHWA MUTCD 11th Edition
- Artwork status
- Artwork file matched
- Artwork release
- Standard Highway Signs release 3
- Artwork format
- SVG
- Artwork variants
- 1
Related MUTCD Guides