Work Zone Signs
Orange means temporary: the road ahead is not set up the way it usually is. Expect workers, closed lanes, detours or a flagger.
Work-zone signs keep the usual shapes: an orange diamond is a warning, an orange rectangle gives information such as how far the work continues.
Every work zone sign, and what to do
9 signs · MUTCD codes shown for reference
Road WorkMUTCD W20-1
Road work is ahead at the distance shown. Do: Slow down, obey work-zone speed limits and watch for workers and equipment.
DetourMUTCD W20-2
A detour starts at the distance shown. Do: Get ready to follow the detour signs.
Road Closed AheadMUTCD W20-3
The road is closed at the distance shown. Do: Plan to take the detour or another route.
One Lane RoadMUTCD W20-4
Traffic will share a single lane at the distance shown. Do: Be ready to stop and wait your turn from a flagger or signal.
Right Lane ClosedMUTCD W20-5R
The right lane is closed at the distance shown. Do: Move to the open lane early, when it is safe.
FlaggerMUTCD W20-7
A flagger is directing traffic ahead. Do: Slow down and follow the flagger's signals.
WorkersMUTCD W21-1a
People are working on or near the road. Do: Slow down and stay alert for workers.
Road Work Next MilesMUTCD G20-1
A work zone continues for the distance shown. Do: Expect work activity and lower speeds for that whole stretch.
End Road WorkMUTCD G20-2
The work zone ends here. Do: Return to normal driving at the posted speed limit.
Work zone signs quiz
Question 1 of 9Work zone
What should you do when you see this sign?
Tip: press 1–4 to answer.
Questions people ask
What do orange road signs mean?
Temporary traffic control, usually a work zone: road work, detours, lane closures or flaggers ahead.
Do I have to follow a flagger?
Yes. In a work zone, follow the flagger's directions.
When does the work zone end?
At the End Road Work sign, or where the work-zone signs stop. Then return to the posted speed limit.