Highway Construction & Maintenance
Workers Ahead sign
An orange diamond with a shoveling worker and a "WORKERS" plaque means highway crews are on or near the roadway ahead.
- Shape
- Diamond
- Color
- Orange with black
- Type
- Highway Construction & Maintenance
- MUTCD code
- W21-1a
What to do
- Slow down, be prepared to stop, and watch closely for people moving through the work zone on foot.
How to read it
Diamond. A diamond is a warning. It tells you about a hazard or a change in the road ahead.
Orange with black. Orange is used in and around work zones.
Highway Construction & Maintenance. Work zone signs warn of construction or maintenance. Fines are often higher in work zones.
Signs follow the national standard (the MUTCD) in every state. Your state handbook is the final word for your test.
Related signs
Signs that look similar or come up together on the test.
Road signs quiz and flashcards
Drill every sign on your phone, along with the rest of your state’s test.
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