- MUTCD
- CW21-3
- Category
- work zone
- Color
- orange
- Shape
- diamond
National · MUTCD Sign Reference
Road Machinery Ahead
Construction or maintenance equipment is operating on or near the roadway ahead.
Heavy equipment such as graders, pavers, rollers, or loaders is working on or alongside the road ahead. Slow down, expect machinery to enter or cross the travel lanes, and be ready for sudden stops, dust, or debris.
Related signs
Wikimedia Commons: File:MUTCD CW21-3.svg (Public domain)