Merge
- Shape
- Diamond
- Color
- Black on yellow
- Meaning
- Two lanes of traffic will merge.
- Required driver action
- Watch for merging vehicles and adjust speed or lane.
- CDL relevance
- Help merging traffic when you safely can.
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.