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Orange diamond with black border showing a vertical black traffic light with red, yellow, and green lenses
MUTCD
CW3-3
Category
work zone
Color
orange
Shape
diamond

Signal Ahead (Work Zone)

A traffic light is just ahead inside the work zone; slow down and be ready to stop.

Warns drivers in a temporary traffic control area that they will encounter a traffic light ahead, often where the light is hard to see because of construction equipment, barriers, or a curve. Reduce speed, cover the brake, and watch for vehicles slowing or stopping for a red indication.

In the same family

Related signs

Horizontal orange rectangle with black border reading END ROAD WORK on two lines in black uppercase letters.
End Road Work
Orange diamond with a thick black right-angle arrow pointing left
Turn Left (Work Zone)
Orange diamond with a thick black arrow curving up and to the left
Curve Left (Work Zone)
Orange diamond with a thick black arrow curving up and to the right
Curve Right (Work Zone)
Orange diamond with a thick black zig-zag arrow that bends sharply left then right and points up
Reverse Turn Left (Work Zone)
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