Low Clearance
- Shape
- Diamond
- Color
- Black on yellow
- Meaning
- Overhead clearance is limited to the height shown.
- Required driver action
- Know your vehicle height. Do not proceed if your vehicle is too tall.
- CDL relevance
- Snow, repaving and loaded trailers can change actual clearance.
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.