Do Not Enter
- Shape
- Square
- Color
- Red circle, white bar
- Meaning
- You may not enter this road or ramp.
- Required driver action
- Do not drive past the sign. You are about to go the wrong way.
- CDL relevance
- Common at freeway exit ramps and facility exits.
Source: FHWA — Manual on Uniform Traffic Control Devices (MUTCD) (11th Edition (December 2023)). Sign images are original simplified illustrations for study, not official MUTCD artwork.