Road Work Ahead Sign — Meaning
- Category
- Construction
- Shape
- Diamond
- Colors
- Orange, Black
- Text
- ROAD WORK AHEAD
- MUTCD Code
- W20-1
What does the Road Work Ahead Sign mean?
The Road Work Ahead sign is an orange diamond reading "ROAD WORK AHEAD." It warns drivers that they are approaching a construction zone where workers, equipment, lane closures, or detours may exist. Orange is reserved for temporary traffic control situations.
What to do when you see this sign
-
1
Reduce speed immediately
-
2
Watch for workers, equipment, and lane shifts
-
3
Be prepared for sudden stops
-
4
Obey flagger signals if present
-
5
Increase following distance — the vehicle ahead may stop suddenly
Where you'll see it
-
On any road with construction or maintenance work -
On interstate work zones (often miles long) -
At utility installation sites -
Near road repaving, bridge repair, and infrastructure projects
Test trap: don't get caught by this
Speeding fines are typically DOUBLED in active work zones, even if no workers are visible. Some states (like Indiana) double fines whenever workers are present, regardless of vehicle speed.
Frequently asked questions
When does the work zone speed limit apply?
What if I see no workers in a marked work zone?
Why are work zone fines doubled?
Related signs
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