Work zone sign · MUTCD W21-5
Shoulder Work
Workers or equipment are on the shoulder next to the travel lanes. The shoulder is not available for stopping or driving.
- Shape
- Orange diamond
- Color
- Orange background, black letters and border
What to do
Slow down, stay in your lane and move away from the shoulder if you can do so safely. Watch for workers and vehicles entering or leaving the shoulder.
Where you see it
Before a stretch of road where work is taking place on the shoulder.
Test trap
The work is off the travel lanes, but that does not make it safe to speed. Do not use the shoulder to pass or to stop.
Memory tip: Workers on the edge: ease off, keep your lane.
Practice question
This sign means:
- Workers are on the shoulder
- The shoulder is a lane for buses
- A soft shoulder is ahead
- Emergency parking is ahead
Answer: A. Work is taking place on the shoulder next to the travel lanes.
Road signs (MUTCD)