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Shoulder Work Sign

Workers and equipment on shoulder of road

In short: A Shoulder Work sign warns that workers and equipment are on or near the shoulder ahead. Slow down, and move one lane away from the shoulder when it is safe — workers or machinery may enter the roadway. Fines are often doubled in work zones.

Shoulder Work Sign road sign — Work being done on road shoulder
Diamond
Shape
Construction
Category

What to do

Slow down and move away from shoulder if safe.

Tips

Watch for workers and equipment entering roadway.

Test yourself

You see this sign while driving. What do you have to do?

Show the answer

Slow down and move away from shoulder if safe.

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How to recognize this sign

Also searched as shoulder work ahead, shoulder work ahead meaning, or road work shoulder sign.

About construction signs

Construction and work-zone signs are orange with black symbols. They mark temporary conditions — lane shifts, flaggers, reduced speeds — and fines are often doubled in work zones. Test questions focus on how to respond safely around workers and equipment.

Practice the rule this sign carries

  1. A 'Flagger Ahead' sign in a construction zone means:

    A 'Flagger Ahead' sign in a construction zone means:

    • A. A flagger is ahead — follow their directions
    • B. A warning flag marks the work zone edge
    • C. The road is one lane ahead — traffic alternates
    • D. Signals replace the flagger ahead
    Show answer

    A. A flagger is ahead — follow their directions — A 'Flagger Ahead' sign warns that a person controlling traffic (flagger) is at an upcoming point in the work zone. Reduce speed and be prepared to stop — flaggers have full legal authority to control traffic.

    Universal rule · checked against MUTCD 11th Edition, Revision 1 (December 2025) — Section 6H.15 — Flagger Signs (W20-7 and W20-7a) · verified 2026-07-27

Frequently asked questions

What does the Shoulder Work Sign mean?

Workers and equipment on shoulder of road

What should you do at a Shoulder Work Sign?

Slow down and move away from shoulder if safe.

Reference standard: Federal Highway Administration Manual on Uniform Traffic Control Devices ↗. State and local agencies may add rules or operating times, so follow the complete posted sign where you drive. How DMV Prep sources content.

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